{"title":"Duncan Corals","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-start=\"121\" data-end=\"335\"\u003eBrighten your reef with our stunning Duncan Corals — learn how to care for them in our \u003ca data-start=\"210\" data-end=\"332\" class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/topshelfaquatics.com\/blogs\/news\/how-to-care-for-duncan-corals-a-complete-guide\"\u003ecomplete Duncan Coral care guide\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 20 20\" fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cpath d=\"M14.3349 13.3301V6.60645L5.47065 15.4707C5.21095 15.7304 4.78895 15.7304 4.52925 15.4707C4.26955 15.211 4.26955 14.789 4.52925 14.5293L13.3935 5.66504H6.66011C6.29284 5.66504 5.99507 5.36727 5.99507 5C5.99507 4.63273 6.29284 4.33496 6.66011 4.33496H14.9999L15.1337 4.34863C15.4369 4.41057 15.665 4.67857 15.665 5V13.3301C15.6649 13.6973 15.3672 13.9951 14.9999 13.9951C14.6327 13.9951 14.335 13.6973 14.3349 13.3301Z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e.\u003c\/strong\u003e Featuring \u003cstrong data-start=\"346\" data-end=\"379\"\u003ecolorful, easy-to-care polyps\u003c\/strong\u003e, these \u003cstrong data-start=\"387\" data-end=\"414\"\u003eaquacultured LPS corals\u003c\/strong\u003e are perfect for both beginners and seasoned reef keepers. Shop our selection of \u003cstrong data-start=\"495\" data-end=\"533\"\u003ehealthy, fast-growing Duncan frags\u003c\/strong\u003e to add vibrant life and movement to your aquarium.\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"tsa-toxic-pinwheel-duncan-coral-almost-wysiwyg","title":"TSA Toxic Pinwheel Duncan Coral","description":"\u003ch3\u003eIntroduction to Duncan Corals\u003c\/h3\u003e\n\u003cp\u003eDuncan corals, scientifically known as \u003cem\u003eDuncanopsammia axifuga\u003c\/em\u003e, are a stunning Large Polyp Stony (LPS) coral species admired for their vibrant coloration and flowing tentacles. Typically displaying hues of green and pink, these corals bring life and movement to any reef tank.\u003c\/p\u003e\n\u003cp\u003eThey share a similar growth pattern to Candy Cane corals, developing branching structures with multiple heads that expand into visually striking clusters. Known for their hardy nature and adaptability, Duncans are an excellent choice for reef keepers of all experience levels, adding texture and depth to a variety of aquascapes.\u003c\/p\u003e\n\n\u003cbr\u003e\u003ch3\u003eLocation\u003c\/h3\u003e\n\u003cp\u003eDuncans are native to the shallow reef slopes and lagoonal zones of the Indo-Pacific, particularly in regions like Australia and Indonesia. These habitats provide moderate water movement and nutrient-rich waters that support their growth and health.\u003c\/p\u003e\n\u003cp\u003eIn the wild, they are often found attached to rocky substrates or coral rubble, where their branching growth patterns allow them to expand into large colonies. Their ability to adapt to varying flow and light conditions makes them versatile for placement in aquariums, mimicking their natural environment.\u003c\/p\u003e\n\n\u003cbr\u003e\u003ch3\u003eWater Chemistry\u003c\/h3\u003e\n\u003cp\u003eDuncan corals are relatively hardy and thrive in stable reef tank environments. Consistent water parameters are crucial to ensure their health, growth, and vibrant coloration. The recommended ranges are:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCalcium: 380–450 ppm\u003c\/li\u003e\n  \u003cli\u003eAlkalinity: 8–9.5 dKH\u003c\/li\u003e\n  \u003cli\u003eMagnesium: 1250–1350 ppm\u003c\/li\u003e\n  \u003cli\u003eNitrates: 5–15 ppm\u003c\/li\u003e\n  \u003cli\u003ePhosphates: \u0026lt;0.10 ppm\u003c\/li\u003e\n  \u003cli\u003eTemperature: 75–80°F\u003c\/li\u003e\n  \u003cli\u003eSalinity: 1.024–1.026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhile Duncans can tolerate minor fluctuations, providing a stable environment with regular testing and appropriate supplementation will encourage robust growth and ensure their long-term health.\u003c\/p\u003e\n\n\u003cbr\u003e\u003ch3\u003eLighting\u003c\/h3\u003e\n\u003cp\u003eDuncans flourish under moderate lighting levels, making them adaptable to various spots within a reef tank. A PAR range of 80–150 provides the ideal balance for photosynthesis, supporting their symbiotic zooxanthellae while avoiding stress from excessive light intensity.\u003c\/p\u003e\n\u003cp\u003eWhen placing Duncans, consider areas in the middle or lower sections of the aquarium where light levels are more subdued. Their tentacles will expand fully in comfortable lighting, creating a flowing, dynamic display. If transitioning them to a new setup, increase light exposure gradually over a few weeks to ensure they adapt without bleaching.\u003c\/p\u003e\n\u003cp\u003eAt Top Shelf Aquatics, our carefully calibrated lighting systems, including Ecotech Marine Radions and metal halides, are designed to maintain healthy coral growth and vibrant hues across a variety of species, including Duncan corals.\u003c\/p\u003e\n\n\u003cbr\u003e\u003ch3\u003eWater Flow\u003c\/h3\u003e\n\u003cp\u003eDuncan corals prefer a gentle to moderate water flow that allows their tentacles to sway naturally without being battered by strong currents. This flow pattern not only enhances their visual appeal but also helps to remove debris and deliver nutrients effectively.\u003c\/p\u003e\n\u003cp\u003eWhen positioning them in your tank, choose areas where indirect currents create a steady but not overwhelming movement. Too much flow can cause their polyps to retract, while too little might allow detritus to accumulate on their tissue. Striking the right balance will encourage healthy polyp extension and promote steady growth.\u003c\/p\u003e\n\u003cp\u003eAt Top Shelf Aquatics, we use a variety of settings on Ecotech Marine MP’s and Reef Octopus Octo Pulse pumps to create a truly random flow pattern that closely mimics natural ocean currents. This dynamic water movement helps Duncan corals thrive by keeping their polyps free of debris while encouraging healthy growth and extension.\u003c\/p\u003e\n\n\u003cbr\u003e\u003ch3\u003eWhat We Feed\u003c\/h3\u003e\n\u003cp\u003eDuncan corals are opportunistic feeders that thrive on a combination of light-driven energy from their symbiotic zooxanthellae and supplemental nutrition. While they can sustain themselves under proper lighting, adding extra food to their diet enhances their growth and coloration.\u003c\/p\u003e\n\u003cp\u003eWe recommend feeding Duncan corals with a mix of fine-particle foods and meatier options such as mysis shrimp or finely chopped seafood. At Top Shelf Aquatics, our feeding routine includes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTisochrysis\u003c\/li\u003e\n  \u003cli\u003eRhodomonas\u003c\/li\u003e\n  \u003cli\u003eTetraselmis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProducts like Reef Roids and Benepets are also excellent for providing additional nutrients. To feed, target the coral’s tentacles with a turkey baster or syringe during their active feeding times, often in the evening. Pausing water flow for 10–15 minutes ensures the coral has enough time to capture and absorb the food effectively.\u003c\/p\u003e\n\n\u003cbr\u003e\u003ch3\u003eColoration and Tank Maturity\u003c\/h3\u003e\n\u003cp\u003eDuncan corals are celebrated for their vibrant hues, which range from soft greens to striking pinks and purples. These colors are influenced by stable water parameters, proper lighting, and supplemental feeding. Regular care and consistency bring out the best in their coloration and ensure steady growth.\u003c\/p\u003e\n\u003cp\u003eWhile Duncan corals are relatively fast growers compared to other LPS species, they require time to fully settle into a new environment. Their branching structure allows them to expand into beautiful colonies, adding both movement and visual interest to a reef tank.\u003c\/p\u003e\n\u003cp\u003eMaintaining consistent calcium and alkalinity levels, along with a balanced diet that includes both fine-particle foods and meaty options, supports their growth and keeps their colors vivid. With proper care, these corals can thrive and become a dynamic focal point in your reef system.\u003c\/p\u003e\n\n\u003cbr\u003e\u003ch3\u003eCommon Challenges\u003c\/h3\u003e\n\u003cp\u003eWhile Duncan corals are hardy and beginner-friendly, they can encounter challenges if tank conditions are not ideal:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTissue Retraction:\u003c\/strong\u003e Insufficient water flow or poor water quality may cause their fleshy polyps to retract, limiting their ability to feed and thrive. Ensure moderate, random flow to keep debris off their tissue and provide a healthy environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBleaching:\u003c\/strong\u003e Sudden changes in lighting intensity or exposure to overly bright light can stress the coral, leading to bleaching. Gradual acclimation to new lighting setups is crucial to prevent this issue.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlow Recovery After Damage:\u003c\/strong\u003e If physical damage occurs, such as a polyp being injured, it may take time for the coral to recover. Maintaining stable water parameters and providing targeted feeding during this period helps support tissue regeneration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDebris Accumulation:\u003c\/strong\u003e Their tentacle-like polyps can trap debris, which may lead to stress or tissue damage if not removed by adequate water flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\u003ch3\u003eHow We Farm\/Propagate This\u003c\/h3\u003e\n\u003cp\u003eAt Top Shelf Aquatics, we focus on cultivating healthy, vibrant Duncan corals through sustainable aquaculture practices. Each step in our propagation process is designed to minimize stress on the coral and ensure they thrive in home aquariums.\u003c\/p\u003e\n\u003cp\u003eOur propagation begins by selecting robust mother colonies that exhibit excellent coloration and growth. Using precision tools like coral band saws, we carefully cut branches into frags, ensuring clean edges to promote quick healing and growth. The frags are then mounted onto plugs using reef-safe glue or epoxy.\u003c\/p\u003e\n\u003cp\u003eTo support the healing process after fragging, we ensure the corals receive frequent feedings of nutrient-rich foods. This promotes faster recovery and encourages the development of vibrant, healthy tissue. Our approach prioritizes both the health of the coral and sustainable aquaculture practices.\u003c\/p\u003e\n\n\u003cbr\u003e\u003ch3\u003eAcclimation Guide\u003c\/h3\u003e\n\u003cp\u003eProper acclimation is key to ensuring Duncan corals transition smoothly into your reef system. These steps help minimize stress and set them up for success:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Acclimation:\u003c\/strong\u003e Float the bag in your aquarium for 15–20 minutes to equalize the temperature.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrip Acclimation (Optional):\u003c\/strong\u003e While not required, drip acclimation can be used to gradually mix your tank water with the coral’s current water. Keep in mind that Duncans generally adapt quickly without it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighting Acclimation:\u003c\/strong\u003e Start by placing the coral in a lower-light area or reducing light intensity temporarily. Gradually increase the light over 2–3 weeks to prevent bleaching or stress.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Secure the coral on rockwork or stable ledges with reef-safe glue or epoxy. Ensure moderate, random water flow that supports healthy polyp extension while keeping debris off the coral.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Coral","offers":[{"title":"Default Title","offer_id":49117985046826,"sku":"AWxToxicPinwheel","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/top-shelf-aquatics-tsa-toxic-pinwheel-duncan-coral-1146217326.webp?v=1741949293"},{"product_id":"tsa-booberry-duncan-coral-almost-wysiwyg","title":"TSA Booberry Duncan Coral","description":"\u003ch3\u003eIntroduction to Duncan Corals\u003c\/h3\u003e\n\u003cp\u003eDuncan corals, scientifically known as \u003cem\u003eDuncanopsammia axifuga\u003c\/em\u003e, are a stunning Large Polyp Stony (LPS) coral species admired for their vibrant coloration and flowing tentacles. Typically displaying hues of green and pink, these corals bring life and movement to any reef tank.\u003c\/p\u003e\n\u003cp\u003eThey share a similar growth pattern to Candy Cane corals, developing branching structures with multiple heads that expand into visually striking clusters. Known for their hardy nature and adaptability, Duncans are an excellent choice for reef keepers of all experience levels, adding texture and depth to a variety of aquascapes.\u003c\/p\u003e\n\n\u003ch3\u003eLocation\u003c\/h3\u003e\n\u003cp\u003eDuncans are native to the shallow reef slopes and lagoonal zones of the Indo-Pacific, particularly in regions like Australia and Indonesia. These habitats provide moderate water movement and nutrient-rich waters that support their growth and health.\u003c\/p\u003e\n\u003cp\u003eIn the wild, they are often found attached to rocky substrates or coral rubble, where their branching growth patterns allow them to expand into large colonies. Their ability to adapt to varying flow and light conditions makes them versatile for placement in aquariums, mimicking their natural environment.\u003c\/p\u003e\n\n\u003ch3\u003eWater Chemistry\u003c\/h3\u003e\n\u003cp\u003eDuncan corals are relatively hardy and thrive in stable reef tank environments. Consistent water parameters are crucial to ensure their health, growth, and vibrant coloration. The recommended ranges are:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCalcium: 380–450 ppm\u003c\/li\u003e\n  \u003cli\u003eAlkalinity: 8–9.5 dKH\u003c\/li\u003e\n  \u003cli\u003eMagnesium: 1250–1350 ppm\u003c\/li\u003e\n  \u003cli\u003eNitrates: 5–15 ppm\u003c\/li\u003e\n  \u003cli\u003ePhosphates: \u0026lt;0.10 ppm\u003c\/li\u003e\n  \u003cli\u003eTemperature: 75–80°F\u003c\/li\u003e\n  \u003cli\u003eSalinity: 1.024–1.026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhile Duncans can tolerate minor fluctuations, providing a stable environment with regular testing and appropriate supplementation will encourage robust growth and ensure their long-term health.\u003c\/p\u003e\n\n\u003ch3\u003eLighting\u003c\/h3\u003e\n\u003cp\u003eDuncans flourish under moderate lighting levels, making them adaptable to various spots within a reef tank. A PAR range of 80–150 provides the ideal balance for photosynthesis, supporting their symbiotic zooxanthellae while avoiding stress from excessive light intensity.\u003c\/p\u003e\n\u003cp\u003eWhen placing Duncans, consider areas in the middle or lower sections of the aquarium where light levels are more subdued. Their tentacles will expand fully in comfortable lighting, creating a flowing, dynamic display. If transitioning them to a new setup, increase light exposure gradually over a few weeks to ensure they adapt without bleaching.\u003c\/p\u003e\n\u003cp\u003eAt Top Shelf Aquatics, our carefully calibrated lighting systems, including Ecotech Marine Radions and metal halides, are designed to maintain healthy coral growth and vibrant hues across a variety of species, including Duncan corals.\u003c\/p\u003e\n\n\u003ch3\u003eWater Flow\u003c\/h3\u003e\n\u003cp\u003eDuncan corals prefer a gentle to moderate water flow that allows their tentacles to sway naturally without being battered by strong currents. This flow pattern not only enhances their visual appeal but also helps to remove debris and deliver nutrients effectively.\u003c\/p\u003e\n\u003cp\u003eWhen positioning them in your tank, choose areas where indirect currents create a steady but not overwhelming movement. Too much flow can cause their polyps to retract, while too little might allow detritus to accumulate on their tissue. Striking the right balance will encourage healthy polyp extension and promote steady growth.\u003c\/p\u003e\n\u003cp\u003eAt Top Shelf Aquatics, we use a variety of settings on Ecotech Marine MP’s and Reef Octopus Octo Pulse pumps to create a truly random flow pattern that closely mimics natural ocean currents. This dynamic water movement helps Duncan corals thrive by keeping their polyps free of debris while encouraging healthy growth and extension.\u003c\/p\u003e\n\n\u003ch3\u003eWhat We Feed\u003c\/h3\u003e\n\u003cp\u003eDuncan corals are opportunistic feeders that thrive on a combination of light-driven energy from their symbiotic zooxanthellae and supplemental nutrition. While they can sustain themselves under proper lighting, adding extra food to their diet enhances their growth and coloration.\u003c\/p\u003e\n\u003cp\u003eWe recommend feeding Duncan corals with a mix of fine-particle foods and meatier options such as mysis shrimp or finely chopped seafood. At Top Shelf Aquatics, our feeding routine includes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTisochrysis\u003c\/li\u003e\n  \u003cli\u003eRhodomonas\u003c\/li\u003e\n  \u003cli\u003eTetraselmis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProducts like Reef Roids and Benepets are also excellent for providing additional nutrients. To feed, target the coral’s tentacles with a turkey baster or syringe during their active feeding times, often in the evening. Pausing water flow for 10–15 minutes ensures the coral has enough time to capture and absorb the food effectively.\u003c\/p\u003e\n\n\u003ch3\u003eColoration and Tank Maturity\u003c\/h3\u003e\n\u003cp\u003eDuncan corals are celebrated for their vibrant hues, which range from soft greens to striking pinks and purples. These colors are influenced by stable water parameters, proper lighting, and supplemental feeding. Regular care and consistency bring out the best in their coloration and ensure steady growth.\u003c\/p\u003e\n\u003cp\u003eWhile Duncan corals are relatively fast growers compared to other LPS species, they require time to fully settle into a new environment. Their branching structure allows them to expand into beautiful colonies, adding both movement and visual interest to a reef tank.\u003c\/p\u003e\n\u003cp\u003eMaintaining consistent calcium and alkalinity levels, along with a balanced diet that includes both fine-particle foods and meaty options, supports their growth and keeps their colors vivid. With proper care, these corals can thrive and become a dynamic focal point in your reef system.\u003c\/p\u003e\n\n\u003ch3\u003eCommon Challenges\u003c\/h3\u003e\n\u003cp\u003eWhile Duncan corals are hardy and beginner-friendly, they can encounter challenges if tank conditions are not ideal:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTissue Retraction:\u003c\/strong\u003e Insufficient water flow or poor water quality may cause their fleshy polyps to retract, limiting their ability to feed and thrive. Ensure moderate, random flow to keep debris off their tissue and provide a healthy environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBleaching:\u003c\/strong\u003e Sudden changes in lighting intensity or exposure to overly bright light can stress the coral, leading to bleaching. Gradual acclimation to new lighting setups is crucial to prevent this issue.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlow Recovery After Damage:\u003c\/strong\u003e If physical damage occurs, such as a polyp being injured, it may take time for the coral to recover. Maintaining stable water parameters and providing targeted feeding during this period helps support tissue regeneration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDebris Accumulation:\u003c\/strong\u003e Their tentacle-like polyps can trap debris, which may lead to stress or tissue damage if not removed by adequate water flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow We Farm\/Propagate This\u003c\/h3\u003e\n\u003cp\u003eAt Top Shelf Aquatics, we focus on cultivating healthy, vibrant Duncan corals through sustainable aquaculture practices. Each step in our propagation process is designed to minimize stress on the coral and ensure they thrive in home aquariums.\u003c\/p\u003e\n\u003cp\u003eOur propagation begins by selecting robust mother colonies that exhibit excellent coloration and growth. Using precision tools like coral band saws, we carefully cut branches into frags, ensuring clean edges to promote quick healing and growth. The frags are then mounted onto plugs using reef-safe glue or epoxy.\u003c\/p\u003e\n\u003cp\u003eTo support the healing process after fragging, we ensure the corals receive frequent feedings of nutrient-rich foods. This promotes faster recovery and encourages the development of vibrant, healthy tissue. Our approach prioritizes both the health of the coral and sustainable aquaculture practices.\u003c\/p\u003e\n\n\u003ch3\u003eAcclimation Guide\u003c\/h3\u003e\n\u003cp\u003eProper acclimation is key to ensuring Duncan corals transition smoothly into your reef system. These steps help minimize stress and set them up for success:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Acclimation:\u003c\/strong\u003e Float the bag in your aquarium for 15–20 minutes to equalize the temperature.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrip Acclimation (Optional):\u003c\/strong\u003e While not required, drip acclimation can be used to gradually mix your tank water with the coral’s current water. Keep in mind that Duncans generally adapt quickly without it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLighting Acclimation:\u003c\/strong\u003e Start by placing the coral in a lower-light area or reducing light intensity temporarily. Gradually increase the light over 2–3 weeks to prevent bleaching or stress.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Secure the coral on rockwork or stable ledges with reef-safe glue or epoxy. Ensure moderate, random water flow that supports healthy polyp extension while keeping debris off the coral.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Coral","offers":[{"title":"Default Title","offer_id":49117985145130,"sku":"AWxBooberry","price":39.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/top-shelf-aquatics-tsa-booberry-duncan-coral-1146217328.webp?v=1741949401"},{"product_id":"green-stem-duncan-coral-almost-wysiwyg-1","title":"Green Stem Duncan Coral","description":"\u003cp\u003eYou will receive a frag SIMILAR in shape and size to the coral in the photo. This is NOT a WYSIWYG frag.\u003c\/p\u003e","brand":"TSA Coral","offers":[{"title":"Default Title","offer_id":49118271635754,"sku":"AWxGreenStemD","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/top-shelf-aquatics-green-stem-duncan-coral-1146217307.webp?v=1741948932"},{"product_id":"tsa-slam-duncan-tsa-aquacultured-almost-wysiwyg","title":"TSA Slam Duncan Coral","description":"\u003cp\u003eYou will receive a frag SIMILAR in shape and size to the coral in the photo. This is NOT a WYSIWYG frag.\u003c\/p\u003e","brand":"TSA Coral","offers":[{"title":"Default Title","offer_id":49125035180330,"sku":"AWxTsaSlamDun","price":59.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/top-shelf-aquatics-tsa-slam-duncan-coral-1146217187.webp?v=1741955524"},{"product_id":"wwc-dream-catcher-duncan-coral","title":"Dream Catcher Duncan Coral","description":"\u003ch3\u003eIntroduction to Duncan Corals\u003c\/h3\u003e\n\u003cp\u003eDuncan corals, scientifically known as \u003cem\u003eDuncanopsammia axifuga\u003c\/em\u003e, are a stunning Large Polyp Stony (LPS) coral species admired for their vibrant coloration and flowing tentacles. Typically displaying hues of green and pink, these corals bring life and movement to any reef tank.\u003c\/p\u003e\n\u003cp\u003eThey share a similar growth pattern to Candy Cane corals, developing branching structures with multiple heads that expand into visually striking clusters. Known for their hardy nature and adaptability, Duncans are an excellent choice for reef keepers of all experience levels, adding texture and depth to a variety of aquascapes.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eLocation\u003c\/h3\u003e\n\u003cp\u003eDuncans are native to the shallow reef slopes and lagoonal zones of the Indo-Pacific, particularly in regions like Australia and Indonesia. These habitats provide moderate water movement and nutrient-rich waters that support their growth and health.\u003c\/p\u003e\n\u003cp\u003eIn the wild, they are often found attached to rocky substrates or coral rubble, where their branching growth patterns allow them to expand into large colonies. Their ability to adapt to varying flow and light conditions makes them versatile for placement in aquariums, mimicking their natural environment.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eWater Chemistry\u003c\/h3\u003e\n\u003cp\u003eDuncan corals are relatively hardy and thrive in stable reef tank environments. Consistent water parameters are crucial to ensure their health, growth, and vibrant coloration. The recommended ranges are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCalcium: 380–450 ppm\u003c\/li\u003e\n\u003cli\u003eAlkalinity: 8–9.5 dKH\u003c\/li\u003e\n\u003cli\u003eMagnesium: 1250–1350 ppm\u003c\/li\u003e\n\u003cli\u003eNitrates: 5–15 ppm\u003c\/li\u003e\n\u003cli\u003ePhosphates: \u0026lt;0.10 ppm\u003c\/li\u003e\n\u003cli\u003eTemperature: 75–80°F\u003c\/li\u003e\n\u003cli\u003eSalinity: 1.024–1.026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhile Duncans can tolerate minor fluctuations, providing a stable environment with regular testing and appropriate supplementation will encourage robust growth and ensure their long-term health.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eLighting\u003c\/h3\u003e\n\u003cp\u003eDuncans flourish under moderate lighting levels, making them adaptable to various spots within a reef tank. A PAR range of 80–150 provides the ideal balance for photosynthesis, supporting their symbiotic zooxanthellae while avoiding stress from excessive light intensity.\u003c\/p\u003e\n\u003cp\u003eWhen placing Duncans, consider areas in the middle or lower sections of the aquarium where light levels are more subdued. Their tentacles will expand fully in comfortable lighting, creating a flowing, dynamic display. If transitioning them to a new setup, increase light exposure gradually over a few weeks to ensure they adapt without bleaching.\u003c\/p\u003e\n\u003cp\u003eAt Top Shelf Aquatics, our carefully calibrated lighting systems, including Ecotech Marine Radions and metal halides, are designed to maintain healthy coral growth and vibrant hues across a variety of species, including Duncan corals.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eWater Flow\u003c\/h3\u003e\n\u003cp\u003eDuncan corals prefer a gentle to moderate water flow that allows their tentacles to sway naturally without being battered by strong currents. This flow pattern not only enhances their visual appeal but also helps to remove debris and deliver nutrients effectively.\u003c\/p\u003e\n\u003cp\u003eWhen positioning them in your tank, choose areas where indirect currents create a steady but not overwhelming movement. Too much flow can cause their polyps to retract, while too little might allow detritus to accumulate on their tissue. Striking the right balance will encourage healthy polyp extension and promote steady growth.\u003c\/p\u003e\n\u003cp\u003eAt Top Shelf Aquatics, we use a variety of settings on Ecotech Marine MP’s and Reef Octopus Octo Pulse pumps to create a truly random flow pattern that closely mimics natural ocean currents. This dynamic water movement helps Duncan corals thrive by keeping their polyps free of debris while encouraging healthy growth and extension.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat We Feed\u003c\/h3\u003e\n\u003cp\u003eDuncan corals are opportunistic feeders that thrive on a combination of light-driven energy from their symbiotic zooxanthellae and supplemental nutrition. While they can sustain themselves under proper lighting, adding extra food to their diet enhances their growth and coloration.\u003c\/p\u003e\n\u003cp\u003eWe recommend feeding Duncan corals with a mix of fine-particle foods and meatier options such as mysis shrimp or finely chopped seafood. At Top Shelf Aquatics, our feeding routine includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTisochrysis\u003c\/li\u003e\n\u003cli\u003eRhodomonas\u003c\/li\u003e\n\u003cli\u003eTetraselmis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProducts like Reef Roids and Benepets are also excellent for providing additional nutrients. To feed, target the coral’s tentacles with a turkey baster or syringe during their active feeding times, often in the evening. Pausing water flow for 10–15 minutes ensures the coral has enough time to capture and absorb the food effectively.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eColoration and Tank Maturity\u003c\/h3\u003e\n\u003cp\u003eDuncan corals are celebrated for their vibrant hues, which range from soft greens to striking pinks and purples. These colors are influenced by stable water parameters, proper lighting, and supplemental feeding. Regular care and consistency bring out the best in their coloration and ensure steady growth.\u003c\/p\u003e\n\u003cp\u003eWhile Duncan corals are relatively fast growers compared to other LPS species, they require time to fully settle into a new environment. Their branching structure allows them to expand into beautiful colonies, adding both movement and visual interest to a reef tank.\u003c\/p\u003e\n\u003cp\u003eMaintaining consistent calcium and alkalinity levels, along with a balanced diet that includes both fine-particle foods and meaty options, supports their growth and keeps their colors vivid. With proper care, these corals can thrive and become a dynamic focal point in your reef system.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eCommon Challenges\u003c\/h3\u003e\n\u003cp\u003eWhile Duncan corals are hardy and beginner-friendly, they can encounter challenges if tank conditions are not ideal:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTissue Retraction:\u003c\/strong\u003e Insufficient water flow or poor water quality may cause their fleshy polyps to retract, limiting their ability to feed and thrive. Ensure moderate, random flow to keep debris off their tissue and provide a healthy environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBleaching:\u003c\/strong\u003e Sudden changes in lighting intensity or exposure to overly bright light can stress the coral, leading to bleaching. Gradual acclimation to new lighting setups is crucial to prevent this issue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlow Recovery After Damage:\u003c\/strong\u003e If physical damage occurs, such as a polyp being injured, it may take time for the coral to recover. Maintaining stable water parameters and providing targeted feeding during this period helps support tissue regeneration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDebris Accumulation:\u003c\/strong\u003e Their tentacle-like polyps can trap debris, which may lead to stress or tissue damage if not removed by adequate water flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eHow We Farm\/Propagate This\u003c\/h3\u003e\n\u003cp\u003eAt Top Shelf Aquatics, we focus on cultivating healthy, vibrant Duncan corals through sustainable aquaculture practices. Each step in our propagation process is designed to minimize stress on the coral and ensure they thrive in home aquariums.\u003c\/p\u003e\n\u003cp\u003eOur propagation begins by selecting robust mother colonies that exhibit excellent coloration and growth. Using precision tools like coral band saws, we carefully cut branches into frags, ensuring clean edges to promote quick healing and growth. The frags are then mounted onto plugs using reef-safe glue or epoxy.\u003c\/p\u003e\n\u003cp\u003eTo support the healing process after fragging, we ensure the corals receive frequent feedings of nutrient-rich foods. This promotes faster recovery and encourages the development of vibrant, healthy tissue. Our approach prioritizes both the health of the coral and sustainable aquaculture practices.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eAcclimation Guide\u003c\/h3\u003e\n\u003cp\u003eProper acclimation is key to ensuring Duncan corals transition smoothly into your reef system. These steps help minimize stress and set them up for success:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Acclimation:\u003c\/strong\u003e Float the bag in your aquarium for 15–20 minutes to equalize the temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrip Acclimation (Optional):\u003c\/strong\u003e While not required, drip acclimation can be used to gradually mix your tank water with the coral’s current water. Keep in mind that Duncans generally adapt quickly without it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighting Acclimation:\u003c\/strong\u003e Start by placing the coral in a lower-light area or reducing light intensity temporarily. Gradually increase the light over 2–3 weeks to prevent bleaching or stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Secure the coral on rockwork or stable ledges with reef-safe glue or epoxy. Ensure moderate, random water flow that supports healthy polyp extension while keeping debris off the coral.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Coral","offers":[{"title":"Default Title","offer_id":50197082439978,"sku":"CTOXDreamcatcherDuncan","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/top-shelf-aquatics-wwc-dream-catcher-duncan-coral-1166876801.jpg?v=1758557608"},{"product_id":"tsa-evergreen-duncan-coral","title":"TSA Evergreen Duncan Coral","description":"\u003cp\u003eYou will receive a frag SIMILAR in shape and size to the coral in the photo. 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