{"product_id":"bimaculatus-anthias-pseudanthias-bimaculatus","title":"Bimaculatus Anthias - Female","description":"\u003cp\u003eThe female Bimaculatus Anthias (\u003cem\u003ePseudanthias bimaculatus\u003c\/em\u003e), also known as the Two-Spot Anthias or Bimac Anthias, is a beautifully colored saltwater fish with warm pink-to-orange body coloration accented by bright yellow fins and tail. Females are more subtly patterned than mature males, which develop deeper red and magenta coloration along with the characteristic dorsal markings that give the species its “two-spot” name. Their streamlined shape, vivid coloration, and graceful swimming behavior make females an especially attractive addition to a well-established marine aquarium.\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 coastal drop-offs where it swims above reef structure in search of zooplankton. Bimaculatus Anthias are active water-column fish that benefit from generous swimming space, strong water quality, and a consistent feeding schedule.\u003c\/p\u003e\n\u003cp\u003eTheir coral-safe behavior makes them excellent candidates for larger reef aquariums as well as peaceful fish-only aquariums. Females can be maintained singly or incorporated into carefully managed anthias groups, but their social hierarchy and potential for sex transition should be considered when planning long-term stocking.\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 midwater swimmers and benefit from a long, open aquarium layout that allows them to move freely throughout the day.\u003c\/p\u003e\n\u003cp\u003eLive rock should provide caves, overhangs, and shaded retreats where the fish can shelter at night or escape unwanted attention from tankmates. Multiple retreat areas are particularly important when maintaining more than one anthias because subordinate individuals need places to avoid dominant fish.\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 increase 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 consisting 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 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 females may initially respond best to mysis shrimp, copepods, and other small frozen foods before accepting a wider range of prepared diets.\u003c\/p\u003e\n\u003ch2\u003eTemperament and Tankmates\u003c\/h2\u003e\n\u003cp\u003eFemale Bimaculatus Anthias are generally peaceful toward unrelated marine fish but can become assertive with other anthias as a dominance hierarchy develops. Larger or more dominant females may chase subordinate individuals, particularly when aquarium space or hiding opportunities are limited.\u003c\/p\u003e\n\u003cp\u003eSuitable tankmates include clownfish, gobies, blennies, fairy and flasher wrasses, tangs, peaceful angelfish, and other non-predatory marine fish. Avoid highly aggressive tankmates that may continually intimidate the anthias or interfere with its frequent feeding requirements.\u003c\/p\u003e\n\u003cp\u003eA single female can be maintained successfully. Groups should be housed in spacious aquariums with abundant swimming room and multiple retreats. When maintaining a group, one male with several females is the natural social arrangement.\u003c\/p\u003e\n\u003cp\u003eBimaculatus Anthias are protogynous hermaphrodites. In the absence of a dominant male, a female may transition into a male, developing stronger coloration and altered social behavior as the transition progresses.\u003c\/p\u003e\n\u003ch2\u003eReef Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe female Bimaculatus Anthias is considered reef safe and is an excellent choice for coral-dominated aquariums. It 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 feeding behavior.\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 good water quality. Because this species requires frequent feeding, efficient filtration and regular nutrient management are particularly 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\u003eFemale coloration:\u003c\/strong\u003e Females are primarily pink to orange with bright yellow fins and are less intensely patterned than mature 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\u003eSocial hierarchy:\u003c\/strong\u003e Dominant individuals may chase subordinate anthias when maintained in groups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSex transition:\u003c\/strong\u003e A female may transition into a male if the social structure of the group changes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eActive swimming:\u003c\/strong\u003e Requires substantial open swimming space along with caves and sheltered areas for retreat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Fish","offers":[{"title":"S","offer_id":52470447931690,"sku":"ANTHIASxBimacFS","price":158.99,"currency_code":"USD","in_stock":false},{"title":"SM","offer_id":52470447964458,"sku":"ANTHIASxBimacFSM","price":164.99,"currency_code":"USD","in_stock":true},{"title":"Bimaculatus Anthias; Female","offer_id":52470447898922,"sku":"ANTHIASxBimacF","price":188.99,"currency_code":"USD","in_stock":false},{"title":"M","offer_id":52470447997226,"sku":"ANTHIASxBimacFM","price":188.99,"currency_code":"USD","in_stock":true},{"title":"ML","offer_id":52470448029994,"sku":"ANTHIASxBimacFML","price":197.99,"currency_code":"USD","in_stock":false},{"title":"L","offer_id":52470448062762,"sku":"ANTHIASxBimacFL","price":209.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/BimacAnthiasF_1ee31483-063e-4690-b730-83d77313bbad.png?v=1788467163","url":"https:\/\/topshelfaquatics.com\/products\/bimaculatus-anthias-pseudanthias-bimaculatus","provider":"Top Shelf Aquatics ","version":"1.0","type":"link"}