{"product_id":"bimaculatus-anthias-male-pseudanthias-bimaculatus","title":"Bimaculatus Anthias - Male","description":"\u003cp\u003eThe male Bimaculatus Anthias (\u003cem\u003ePseudanthias bimaculatus\u003c\/em\u003e), also known as the Two-Spot Anthias or Bimac Anthias, is a spectacular saltwater fish distinguished by its intense magenta, red, and pink coloration, contrasting yellow highlights, and the dark dorsal markings that give the species its “two-spot” name. Mature males are significantly more vivid and ornate than females, making them a standout centerpiece in larger reef aquariums.\u003c\/p\u003e\n\u003cp\u003eNative to the Indo-West Pacific, including East Africa, the Maldives, and Indonesia, this species inhabits deeper reef slopes and drop-offs where it swims above reef structure and feeds on passing zooplankton. In the aquarium, males are active midwater swimmers that benefit from strong water quality, generous horizontal swimming space, and frequent feeding.\u003c\/p\u003e\n\u003cp\u003eThe male Bimaculatus Anthias is reef safe and generally compatible with peaceful to moderately assertive marine fish, but it can become territorial toward other anthias, especially rival males. Its striking coloration and commanding presence make it an excellent choice for established reef aquariums and spacious fish-only systems.\u003c\/p\u003e\n\u003ch2\u003eQuick Care Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCare Level:\u003c\/strong\u003e Moderate\u003cbr\u003e\u003cstrong\u003eMinimum Tank Size:\u003c\/strong\u003e 125 gallons\u003cbr\u003e\u003cstrong\u003eTemperament:\u003c\/strong\u003e Semi-aggressive\u003cbr\u003e\u003cstrong\u003eDiet:\u003c\/strong\u003e Carnivore \/ Planktivore\u003cbr\u003e\u003cstrong\u003eReef Safe:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eRegion:\u003c\/strong\u003e Indo-West Pacific – East Africa, Maldives, and Indonesia\u003cbr\u003e\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003ePseudanthias bimaculatus\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eTank Requirements\u003c\/h2\u003e\n\u003cp\u003eProvide a mature, well-established aquarium with substantial open swimming space above and around the rockwork. Bimaculatus Anthias are active water-column fish and benefit from a long, open aquarium layout rather than a densely packed aquascape.\u003c\/p\u003e\n\u003cp\u003eInclude caves, overhangs, and shaded retreats where the fish can shelter at night or retreat from territorial interactions. Multiple hiding areas are especially important in aquariums containing additional anthias.\u003c\/p\u003e\n\u003cp\u003eModerate to strong, well-distributed water movement and good oxygenation are ideal. Efficient filtration is also important because the frequent feeding schedule required by anthias can contribute significant nutrient input.\u003c\/p\u003e\n\u003cp\u003eA securely fitted mesh screen or aquarium lid is recommended, as anthias may jump when startled or chased.\u003c\/p\u003e\n\u003ch2\u003eDiet and Feeding\u003c\/h2\u003e\n\u003cp\u003eThe Bimaculatus Anthias is a carnivorous planktivore that naturally feeds on zooplankton and small crustaceans suspended in the water column.\u003c\/p\u003e\n\u003cp\u003eOffer a varied diet of enriched mysis shrimp, enriched brine shrimp, copepods, frozen plankton, finely chopped marine seafood, quality frozen marine blends, and appropriately sized marine pellets or flakes. Foods that remain suspended in the water column help encourage natural feeding behavior.\u003c\/p\u003e\n\u003cp\u003eTwo to three small meals per day should be considered a minimum, with additional small feedings beneficial when practical. Newly introduced males may initially respond best to mysis shrimp, copepods, and other small frozen foods.\u003c\/p\u003e\n\u003ch2\u003eTemperament and Tankmates\u003c\/h2\u003e\n\u003cp\u003eMale Bimaculatus Anthias are generally compatible with unrelated community fish but can be more assertive than females, particularly toward other anthias. A dominant male may chase females as part of normal social behavior and can become highly territorial toward another male.\u003c\/p\u003e\n\u003cp\u003eSuitable tankmates include clownfish, gobies, blennies, fairy and flasher wrasses, tangs, peaceful angelfish, and other non-predatory marine fish capable of handling an active anthias community.\u003c\/p\u003e\n\u003cp\u003eAvoid keeping multiple mature males together unless the aquarium is exceptionally large and provides abundant space and visual barriers. A single male can be maintained successfully, or one male may be kept with several females in a suitably spacious aquarium.\u003c\/p\u003e\n\u003ch2\u003eReef Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe male Bimaculatus Anthias is considered reef safe and does not normally consume or damage stony corals, soft corals, clams, or other sessile reef organisms.\u003c\/p\u003e\n\u003cp\u003eIt is also generally compatible with ornamental shrimp, crabs, snails, and other common reef invertebrates. Tiny copepods and other planktonic organisms may naturally be consumed as part of its normal diet.\u003c\/p\u003e\n\u003ch2\u003eWater Parameters\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e 75–80°F\u003cbr\u003e\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 1.024–1.026\u003cbr\u003e\u003cstrong\u003epH:\u003c\/strong\u003e 8.1–8.4\u003cbr\u003e\u003cstrong\u003eAlkalinity:\u003c\/strong\u003e 8–12 dKH\u003c\/p\u003e\n\u003cp\u003eMaintain stable, well-oxygenated water with consistently high water quality. Because this species benefits from frequent feeding, efficient filtration and regular nutrient management are especially important. Stability is more important than targeting one 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\u003eMale coloration:\u003c\/strong\u003e Mature males display intense magenta, red, and pink coloration with distinctive dark dorsal markings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMale aggression:\u003c\/strong\u003e Territorial behavior may occur toward other anthias, particularly rival males.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFrequent feeding:\u003c\/strong\u003e Requires multiple small meals of plankton-sized, protein-rich marine foods throughout the day.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eActive swimming:\u003c\/strong\u003e Needs substantial open swimming space along with caves and shaded retreats.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGroup structure:\u003c\/strong\u003e Best maintained as a single male or, in larger systems, one male with several females.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Fish","offers":[{"title":"Bimaculatus Anthias; Male","offer_id":52484884201770,"sku":"ANTHIASxBimacS","price":194.99,"currency_code":"USD","in_stock":false},{"title":"M","offer_id":52484884234538,"sku":"ANTHIASxBimacM","price":194.99,"currency_code":"USD","in_stock":false},{"title":"ML","offer_id":52484884267306,"sku":"ANTHIASxBimacML","price":209.99,"currency_code":"USD","in_stock":false},{"title":"L","offer_id":52484884300074,"sku":"ANTHIASxBimacL","price":233.99,"currency_code":"USD","in_stock":false},{"title":"XL","offer_id":52484884332842,"sku":"ANTHIASxBimacX","price":251.99,"currency_code":"USD","in_stock":false},{"title":"XX","offer_id":52484884365610,"sku":"ANTHIASxBimacXX","price":260.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/BimacAnthias_b1e53206-ccfa-4fe8-896e-b7c534264ff0.png?v=1788531238","url":"https:\/\/topshelfaquatics.com\/products\/bimaculatus-anthias-male-pseudanthias-bimaculatus","provider":"Top Shelf Aquatics ","version":"1.0","type":"link"}