{"product_id":"blue-face-angelfish-juvenile","title":"Blueface Angelfish - Juvenile - Pomacanthus xanthometopon","description":"\u003cp\u003eThe Juvenile Blueface Angelfish (\u003cem\u003ePomacanthus xanthometopon\u003c\/em\u003e), also known as the Yellowface or Yellowmask Angelfish, is a spectacular saltwater fish with one of the most dramatic juvenile-to-adult transformations among marine angelfish. Juveniles display a deep blue-black body crossed by alternating white and brilliant sapphire-blue vertical bands, with intense blue edging along the fins. As the fish approaches the subadult stage, this striped pattern gradually gives way to the pale yellow body, blue-highlighted scales, brilliant blue face, yellow eye mask, and yellow fins characteristic of a mature Blueface Angelfish.\u003c\/p\u003e\n\u003cp\u003eNative to the Indo-Pacific, \u003cem\u003eP. xanthometopon\u003c\/em\u003e ranges from the Maldives east to Vanuatu and north to the Yaeyama Islands, with populations also occurring around Palau and Micronesia. It inhabits coral-rich lagoons, reef channels, and outer reef slopes, typically remaining near caves and substantial reef structure. Juveniles naturally settle in shallow inshore caves where algae and encrusting organisms are abundant. Adults can reach approximately 15 inches in total length.\u003c\/p\u003e\n\u003cp\u003eAlthough juveniles are relatively compact when offered for marine aquariums, the Blueface Angelfish develops into a large, powerful centerpiece fish. Long-term success requires a spacious, mature fish-only or FOWLR aquarium with extensive rockwork, generous swimming room, strong filtration, and a varied diet containing sponge material. Its natural feeding habits make corals, clams, sponges, and other sessile invertebrates vulnerable as the fish matures.\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 220 gallons\u003cbr\u003e\u003cstrong\u003eTemperament:\u003c\/strong\u003e Semi-aggressive\u003cbr\u003e\u003cstrong\u003eDiet:\u003c\/strong\u003e Omnivore \/ Spongivore\u003cbr\u003e\u003cstrong\u003eReef Safe:\u003c\/strong\u003e No\u003cbr\u003e\u003cstrong\u003eRegion:\u003c\/strong\u003e Indo-Pacific – Maldives to Vanuatu, north to the Yaeyama Islands, including Palau and Micronesia\u003cbr\u003e\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003ePomacanthus xanthometopon\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Blueface Angelfish reaches approximately 38 cm, or 15 inches, and established aquarium husbandry references recommend a minimum aquarium of 220 gallons for long-term housing.\u003c\/p\u003e\n\u003ch2\u003eTank Requirements\u003c\/h2\u003e\n\u003cp\u003eProvide a large, mature marine aquarium with extensive established rockwork arranged into caves, arches, overhangs, cracks, and crevices. Blueface Angelfish naturally remain closely associated with reef structure, and juveniles especially appreciate secure hiding areas while acclimating. Mature live rock also provides important surfaces for natural grazing.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003e220-gallon aquarium or larger\u003c\/strong\u003e should be planned around the fish's adult size rather than its juvenile purchase size. Preserve substantial horizontal swimming room between rock structures so a deep-bodied adult can cruise and turn comfortably. Strong biological filtration, good oxygenation, and consistent water movement are recommended for this large, actively feeding angelfish.\u003c\/p\u003e\n\u003cp\u003eNo specialized substrate is required, so sand or another conventional marine substrate works well. Stability, mature biological filtration, and a well-designed combination of swimming space and shelter are more important than substrate type.\u003c\/p\u003e\n\u003ch2\u003eDiet and Feeding\u003c\/h2\u003e\n\u003cp\u003eThe Blueface Angelfish is an omnivore with a strong natural preference for \u003cstrong\u003esponges, tunicates, and other encrusting reef organisms\u003c\/strong\u003e. Sponge-containing marine angelfish preparations should therefore remain a regular component of its diet rather than an occasional supplement.\u003c\/p\u003e\n\u003cp\u003eOffer high-quality frozen angelfish preparations containing sponge, mysis shrimp, enriched brine shrimp, finely chopped marine seafood, Spirulina-based foods, marine algae, nori, frozen omnivore blends, and quality marine pellets. Established live rock provides additional opportunities for natural browsing between prepared meals.\u003c\/p\u003e\n\u003cp\u003eFeed \u003cstrong\u003etwo to three smaller meals daily\u003c\/strong\u003e, with growing juveniles benefiting from regular feeding throughout the day. Newly introduced specimens should be watched closely to ensure they are actively swallowing prepared foods and maintaining good body condition.\u003c\/p\u003e\n\u003ch2\u003eTemperament and Tankmates\u003c\/h2\u003e\n\u003cp\u003eThe Juvenile Blueface Angelfish is \u003cstrong\u003esemi-aggressive\u003c\/strong\u003e, with territorial behavior typically becoming more pronounced as the fish grows and establishes itself. Large individuals may be particularly intolerant of other angelfish with similar body shapes or feeding habits.\u003c\/p\u003e\n\u003cp\u003eSuitable tankmates include appropriately sized tangs, rabbitfish, larger wrasses, robust clownfish, and other medium-to-large marine fish capable of competing for food without constantly provoking the angelfish. Very timid species may eventually be intimidated by a dominant adult.\u003c\/p\u003e\n\u003cp\u003eKeeping a single Blueface Angelfish is the most straightforward arrangement for most home aquariums. Multiple large angelfish should only be attempted in substantially larger systems with extensive visual barriers, abundant territory, and carefully planned introductions.\u003c\/p\u003e\n\u003ch2\u003eReef Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe Blueface Angelfish is \u003cstrong\u003enot considered reliably reef safe\u003c\/strong\u003e. Wild fish naturally consume sponges, tunicates, and other encrusting organisms, while aquarium specimens are known to nip both soft and stony corals as well as tridacnid clam mantles.\u003c\/p\u003e\n\u003cp\u003eA juvenile may initially appear well behaved around corals, but this should not be interpreted as dependable long-term reef compatibility. Sponges, tunicates, fleshy LPS corals, soft corals, zoanthids, clam mantles, and other sessile animals should all be considered at risk as the fish matures.\u003c\/p\u003e\n\u003cp\u003eOrnamental shrimp, crabs, and snails are less likely to be deliberately targeted than sessile organisms, but a large fish-only or FOWLR aquarium remains the most predictable long-term environment.\u003c\/p\u003e\n\u003ch2\u003eWater Parameters\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e 72–78°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 clean, well-oxygenated water with consistent temperature, salinity, and pH. Stable conditions and good filtration are more important than continually adjusting the aquarium to achieve one exact value. Aquarium husbandry references recommend temperatures around 72–78°F for this species.\u003c\/p\u003e\n\u003ch2\u003eCommon Considerations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDramatic color transformation:\u003c\/strong\u003e Juveniles have bold black, white, and sapphire-blue vertical bands; the yellow-and-blue adult coloration begins developing as the fish grows.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLarge adult size:\u003c\/strong\u003e \u003cem\u003ePomacanthus xanthometopon\u003c\/em\u003e reaches approximately 15 inches and requires substantial swimming and territorial space.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e220-gallon minimum:\u003c\/strong\u003e Long-term housing should be planned around the mature fish rather than its much smaller juvenile sales size.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSponge-rich nutrition is important:\u003c\/strong\u003e Sponges and tunicates are natural foods, making quality sponge-containing angelfish preparations valuable for long-term care.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNot reliably reef safe:\u003c\/strong\u003e Stony and soft corals, clam mantles, sponges, tunicates, and other sessile invertebrates may be nipped or consumed as the fish matures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Fish","offers":[{"title":"Tiny (\u003c2\")","offer_id":52302030274858,"sku":"ANGELxBlueFJT","price":174.99,"currency_code":"USD","in_stock":false},{"title":"Small (1.26-2\")","offer_id":50785100202282,"sku":"ANGELxBlueFJS","price":236.99,"currency_code":"USD","in_stock":false},{"title":"SM (2.1-2.5\")","offer_id":52074307780906,"sku":"ANGELxBlueFJSM","price":266.99,"currency_code":"USD","in_stock":false},{"title":"Medium (2.6-3\")","offer_id":50785100235050,"sku":"ANGELxBlueFJM","price":349.99,"currency_code":"USD","in_stock":false},{"title":"ML (3.1-3.5\")","offer_id":52074307813674,"sku":"ANGELxBlueFJML","price":399.99,"currency_code":"USD","in_stock":false},{"title":"Large (3.6-4\")","offer_id":50785100267818,"sku":"ANGELxBlueFJL","price":554.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/BlueFaceAngelJuv.png?v=1787259064","url":"https:\/\/topshelfaquatics.com\/products\/blue-face-angelfish-juvenile","provider":"Top Shelf Aquatics ","version":"1.0","type":"link"}