{"product_id":"porcupine-puffer-diodon-holocanthus","title":"Porcupine Puffer - Atlantic","description":"\u003cp\u003eThe Atlantic Porcupine Puffer, \u003cem\u003eDiodon holocanthus\u003c\/em\u003e, is an unmistakable saltwater fish with an oversized personality and equally distinctive appearance. Its rounded body is covered with long movable spines, while large expressive eyes, a broad face, and bold brown-to-black markings give it the classic look that has made porcupine puffers longtime favorites in large marine aquariums. When threatened, the fish can inflate its body with water, causing its spines to stand prominently outward as a defensive response.\u003c\/p\u003e\n\u003cp\u003eAtlantic specimens originate from tropical and subtropical waters of the Western Atlantic, including Florida, the Bahamas, the Caribbean, and south toward Brazil. In nature, they inhabit coral and rocky reefs as well as adjacent sandy and soft-bottom areas, often sheltering around caves and ledges. Their natural feeding habits are centered on hard-shelled invertebrates such as mollusks, crabs, hermit crabs, and sea urchins.\u003c\/p\u003e\n\u003cp\u003eReaching approximately 20 inches at maximum adult size, this is a substantial marine aquarium fish that requires generous swimming room and strong filtration. Its curious, interactive behavior makes it an impressive centerpiece for a large fish-only aquarium or fish-only-with-live-rock system, but its predatory feeding habits make it unsuitable for a traditional reef aquarium.\u003c\/p\u003e\n\u003ch2\u003eQuick Care Guide\u003c\/h2\u003e\n\u003cp\u003eCare Level: Moderate\u003cbr\u003eMinimum Tank Size: 180 gallons\u003cbr\u003eTemperament: Semi-aggressive \/ Predatory\u003cbr\u003eDiet: Carnivore\u003cbr\u003eReef Safe: No\u003cbr\u003eRegion: Western Atlantic — Florida, Bahamas and Caribbean south to Brazil\u003cbr\u003eScientific Name: \u003cem\u003eDiodon holocanthus\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eTank Requirements\u003c\/h2\u003e\n\u003cp\u003eProvide a spacious marine aquarium with plenty of unobstructed swimming room and sturdy rockwork arranged to create caves, ledges, and sheltered resting areas. Rock structures should be securely positioned because a mature Porcupine Puffer is a large, powerful fish capable of disturbing loose décor while exploring the aquarium.\u003c\/p\u003e\n\u003cp\u003eStrong biological and mechanical filtration is essential. This species consumes substantial meaty foods and produces considerable waste, making efficient protein skimming, good oxygenation, and consistent water changes important parts of long-term care.\u003c\/p\u003e\n\u003cp\u003eModerate water movement is appropriate, with calmer areas available near caves and resting locations. A secure aquarium lid is recommended, and the aquascape should leave enough open space for an adult fish to turn and swim comfortably.\u003c\/p\u003e\n\u003cp\u003eAvoid unnecessary handling and never deliberately cause the fish to inflate. When transfers are necessary, moving the puffer underwater in a suitably sized container is preferable to lifting it into the air whenever practical.\u003c\/p\u003e\n\u003ch2\u003eDiet and Feeding\u003c\/h2\u003e\n\u003cp\u003eThe Atlantic Porcupine Puffer is primarily carnivorous and naturally specializes in hard-shelled invertebrate prey. In captivity, it should receive a varied diet of marine-origin foods that supports both nutrition and proper dental wear.\u003c\/p\u003e\n\u003cp\u003eOffer clam, mussel, shrimp, crab, squid, scallop, krill, and other appropriately sized marine seafood. Smaller specimens may also accept mysis shrimp and quality frozen carnivore blends, while larger adults require more substantial foods.\u003c\/p\u003e\n\u003cp\u003eHard or shell-on foods are especially important. Porcupine Puffers possess fused dental plates that continue growing throughout their lives, and regularly chewing hard foods helps provide natural wear. A long-term diet consisting only of soft foods can contribute to excessive dental growth and difficulty feeding.\u003c\/p\u003e\n\u003cp\u003eFeed smaller specimens once or twice daily in controlled portions. Larger individuals can be fed substantial meals according to body condition while avoiding chronic overfeeding.\u003c\/p\u003e\n\u003ch2\u003eTemperament and Tankmates\u003c\/h2\u003e\n\u003cp\u003eThe Atlantic Porcupine Puffer should be considered semi-aggressive and predatory. Many individuals coexist well with appropriately sized fish, but their powerful jaws and inquisitive feeding behavior make them unsuitable companions for small or delicate species.\u003c\/p\u003e\n\u003cp\u003eChoose robust tankmates that are too large to be swallowed and capable of competing at feeding time without continually harassing the puffer. Larger tangs, angelfish, wrasses, triggerfish, and other substantial marine fish may be suitable in appropriately sized systems, although individual temperament always needs to be considered.\u003c\/p\u003e\n\u003cp\u003eAvoid very small fish, ornamental crustaceans, and slow-moving or long-finned species that may be vulnerable to predation or nipping. Large aggressive fish that repeatedly attack or intimidate the puffer should also be avoided.\u003c\/p\u003e\n\u003cp\u003eKeeping multiple porcupinefish or other large puffers together requires considerably more aquarium space and careful monitoring. A single specimen is generally the most predictable choice.\u003c\/p\u003e\n\u003ch2\u003eReef Compatibility\u003c\/h2\u003e\n\u003cp\u003eReef Safe: No\u003c\/p\u003e\n\u003cp\u003eThe Atlantic Porcupine Puffer is not suitable for a traditional reef aquarium. Its natural diet includes mollusks, crustaceans, sea urchins, and other benthic invertebrates, making most ornamental cleanup crews and mobile invertebrates potential prey.\u003c\/p\u003e\n\u003cp\u003eShrimp, crabs, snails, clams, sea urchins, and similar animals are at significant risk of being eaten. The puffer's powerful dental plates are specifically adapted for crushing hard-shelled prey.\u003c\/p\u003e\n\u003cp\u003eCorals and other sessile organisms may also be disturbed or damaged as the fish searches the rockwork for food. A large fish-only or fish-only-with-live-rock aquarium is the most dependable long-term setup.\u003c\/p\u003e\n\u003ch2\u003eWater Parameters\u003c\/h2\u003e\n\u003cp\u003eTemperature: 75–80°F\u003cbr\u003eSpecific Gravity: 1.024–1.026\u003cbr\u003epH: 8.1–8.4\u003cbr\u003eAlkalinity: 8–12 dKH\u003c\/p\u003e\n\u003cp\u003eMaintain stable, well-oxygenated saltwater conditions with excellent filtration and consistent water quality. Avoid sudden changes in temperature, salinity, or pH. Long-term stability is more important than maintaining a single exact value within these ranges.\u003c\/p\u003e\n\u003ch2\u003eCommon Considerations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLarge adult size:\u003c\/strong\u003e This species can reach approximately 20 inches and develops a deep, heavy body, requiring substantial long-term swimming space.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDental wear:\u003c\/strong\u003e Regular hard or shell-on marine foods are important for naturally wearing the continuously growing dental plates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePredatory behavior:\u003c\/strong\u003e Shrimp, crabs, snails, clams, sea urchins, and other invertebrates should be considered potential prey.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy waste production:\u003c\/strong\u003e Large meals and substantial body mass make strong filtration, protein skimming, and consistent maintenance particularly important.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInflation and handling:\u003c\/strong\u003e Porcupine Puffers may inflate when severely stressed. Minimize handling, never intentionally trigger inflation, and avoid unnecessary exposure to air during transfers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Fish","offers":[{"title":"T","offer_id":52546847572266,"sku":"PUFFERxPorcAT","price":59.99,"currency_code":"USD","in_stock":false},{"title":"S","offer_id":52546847605034,"sku":"PUFFERxPorcAS","price":80.99,"currency_code":"USD","in_stock":false},{"title":"SM","offer_id":52546847637802,"sku":"PUFFERxPorcASM","price":86.99,"currency_code":"USD","in_stock":false},{"title":"M","offer_id":52546847670570,"sku":"PUFFERxPorcAM","price":110.99,"currency_code":"USD","in_stock":false},{"title":"ML","offer_id":52546847703338,"sku":"PUFFERxPorcAML","price":143.99,"currency_code":"USD","in_stock":false},{"title":"L","offer_id":52546847736106,"sku":"PUFFERxPorcAL","price":173.99,"currency_code":"USD","in_stock":false},{"title":"XL","offer_id":52546847768874,"sku":"PUFFERxPorcAX","price":236.99,"currency_code":"USD","in_stock":false},{"title":"XX","offer_id":52546847801642,"sku":"PUFFERxPorcAXX","price":380.99,"currency_code":"USD","in_stock":false},{"title":"SH","offer_id":52546847834410,"sku":"PUFFERxPorcASH","price":554.99,"currency_code":"USD","in_stock":false},{"title":"JUMBO","offer_id":52546847867178,"sku":"PUFFERxPorcAJUM","price":739.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/PorcupinePuffer_4376b48b-241b-4fd1-928d-e7cf1afe342f.png?v=1788894342","url":"https:\/\/topshelfaquatics.com\/products\/porcupine-puffer-diodon-holocanthus","provider":"Top Shelf Aquatics ","version":"1.0","type":"link"}