{"product_id":"banded-angelfish-hawaii-apolemichthys-arcuatus","title":"Banded Angelfish - Hawaii - Apolemichthys arcuatus","description":"\u003cp\u003eThe Hawaiian Banded Angelfish (\u003cem\u003eApolemichthys arcuatus\u003c\/em\u003e), also widely known as the Bandit Angelfish or Black-Banded Angelfish, is an unmistakable marine aquarium fish with one of the cleanest patterns among saltwater angelfish. Its pearly white to silvery body is divided by a broad black band that begins at the eye and sweeps across the upper flank toward the rear dorsal fin. Matching black-and-white markings on the tail and anal fin complete its distinctive appearance. Adults reach approximately 7 inches in total length.\u003c\/p\u003e\n\u003cp\u003eThis species has a remarkably restricted natural distribution in the eastern central Pacific, occurring around the Hawaiian Islands and Johnston Atoll. It inhabits rocky and coral reefs, particularly ledges, caves, and deeper reef slopes, and is most commonly encountered around 25–50 meters although records extend considerably deeper. Wild Banded Angelfish feed primarily on sponges, with algae and other small benthic foods also documented.\u003c\/p\u003e\n\u003cp\u003eIn the marine aquarium, \u003cem\u003eA. arcuatus\u003c\/em\u003e is best regarded as a specialized species for experienced aquarists. Its modest adult size is somewhat misleading: successful long-term care depends on a mature aquarium, excellent water quality, abundant rockwork, appropriate sponge-rich nutrition, and careful attention to acclimation and feeding. It can be maintained in fish-only systems or selected reef aquariums, although complete coral and sessile-invertebrate safety cannot be guaranteed.\u003c\/p\u003e\n\u003ch2\u003eQuick Care Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCare Level:\u003c\/strong\u003e Expert Only\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 Omnivore \/ Spongivore\u003cbr\u003e\u003cstrong\u003eReef Safe:\u003c\/strong\u003e With Caution\u003cbr\u003e\u003cstrong\u003eRegion:\u003c\/strong\u003e Hawaiian Islands and Johnston Atoll\u003cbr\u003e\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eApolemichthys arcuatus\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eMaximum adult length reaches approximately 18 cm, or just over 7 inches. Despite that relatively compact adult size for a marine angelfish, a spacious mature system is strongly preferred because this species benefits from extensive grazing surfaces, caves, and stable environmental conditions.\u003c\/p\u003e\n\u003ch2\u003eTank Requirements\u003c\/h2\u003e\n\u003cp\u003eProvide a mature aquarium with substantial established rockwork arranged into caves, overhangs, ledges, and shaded retreat areas. This closely reflects the rocky reef and cave habitat occupied by the species in Hawaiian waters. Leave adequate open swimming space between structures while maintaining enough mature rock surface for natural browsing behavior.\u003c\/p\u003e\n\u003cp\u003eBecause Banded Angelfish are associated with deeper reef environments, they are often maintained somewhat cooler than typical tropical reef fish. Stable, well-oxygenated water is particularly important, and excessive sustained warmth should be avoided. Experienced aquarists have historically favored temperatures in the low-to-mid 70s for long-term care.\u003c\/p\u003e\n\u003cp\u003eNo specialized substrate is required. Sand or a conventional reef substrate is suitable. Strong filtration, good gas exchange, and moderate water movement are recommended. Newly introduced specimens should have quiet, secure areas where they can retreat while becoming accustomed to the aquarium.\u003c\/p\u003e\n\u003ch2\u003eDiet and Feeding\u003c\/h2\u003e\n\u003cp\u003eProper feeding is one of the most important challenges with the Hawaiian Banded Angelfish. Wild specimens feed \u003cstrong\u003eprimarily on sponges\u003c\/strong\u003e, with algae, traces of hydroids, and other foods also recorded from stomach-content studies. This specialized natural diet can make some individuals reluctant to accept standard aquarium foods when first introduced.\u003c\/p\u003e\n\u003cp\u003eOffer high-quality frozen marine angelfish preparations containing sponge, mysis shrimp, enriched brine shrimp, finely chopped clam or other marine seafood, frozen omnivore blends, Spirulina-based foods, and appropriately sized marine pellets. Established live rock provides additional natural grazing opportunities and can be particularly valuable during acclimation.\u003c\/p\u003e\n\u003cp\u003eFeed \u003cstrong\u003etwo to three smaller meals daily\u003c\/strong\u003e when practical. Newly introduced fish should be observed closely to ensure they are actually swallowing food and maintaining body condition rather than simply investigating prepared offerings. Persistent refusal to feed should be treated as a serious concern with this species.\u003c\/p\u003e\n\u003ch2\u003eTemperament and Tankmates\u003c\/h2\u003e\n\u003cp\u003eThe Banded Angelfish is generally \u003cstrong\u003esemi-aggressive\u003c\/strong\u003e, although it is often less domineering than many larger marine angelfish. Once established, an individual may defend preferred caves or sections of rockwork and can show aggression toward similar-looking angelfish or other fish competing for the same territory.\u003c\/p\u003e\n\u003cp\u003eSuitable tankmates include peaceful to moderately assertive tangs, wrasses, anthias, clownfish, rabbitfish, and other appropriately sized marine community fish. Avoid highly aggressive species that may continually chase the angelfish or prevent it from feeding, especially during the sensitive acclimation period.\u003c\/p\u003e\n\u003cp\u003eA single specimen is the simplest arrangement for most home aquariums. Pairs have been maintained successfully in very large systems, but additional space and careful compatibility assessment are important.\u003c\/p\u003e\n\u003ch2\u003eReef Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe Hawaiian Banded Angelfish is \u003cstrong\u003ereef safe with caution\u003c\/strong\u003e. It is often considered more suitable for coral aquariums than many large angelfish, but individual behavior varies and complete reef safety should not be assumed.\u003c\/p\u003e\n\u003cp\u003eIts natural sponge-feeding behavior makes ornamental sponges particularly vulnerable, and individual fish may also investigate tunicates, clam mantles, corals, or other sessile organisms. Some specimens coexist successfully in established reef displays, while others may develop undesirable picking behavior.\u003c\/p\u003e\n\u003cp\u003eSPS, LPS, soft corals, zoanthids, and clams should therefore be monitored carefully after introduction. A fish-only or FOWLR aquarium remains the most predictable choice when valuable sessile invertebrates are a priority.\u003c\/p\u003e\n\u003ch2\u003eWater Parameters\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e 72–76°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\u003eThis deeper-water Hawaiian species is commonly maintained cooler than many tropical marine aquarium fish. Long-term stability, strong oxygenation, and avoidance of abrupt temperature or salinity changes are more important than continually adjusting the aquarium to reach a single exact value.\u003c\/p\u003e\n\u003ch2\u003eCommon Considerations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpecialized feeder:\u003c\/strong\u003e Sponges form the majority of the natural diet, and some newly introduced specimens can be difficult to transition onto prepared foods.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeep-water species:\u003c\/strong\u003e Provide excellent oxygenation, stable conditions, and a somewhat cooler temperature range than a typical warm reef aquarium.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCareful acclimation is important:\u003c\/strong\u003e Newly imported individuals can be shy and may initially refuse food, making close observation especially important.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReef safe with caution:\u003c\/strong\u003e Many specimens can coexist with corals, but sponges, clams, and other sessile invertebrates may be sampled.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProvide mature rockwork:\u003c\/strong\u003e Extensive caves, ledges, and established grazing surfaces closely match the species' natural Hawaiian reef habitat.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TSA Fish","offers":[{"title":"Small (2.1-2.5\")","offer_id":51810505589034,"sku":"ANGELxBandS","price":1658.99,"currency_code":"USD","in_stock":false},{"title":"SM (2.6-3.5\")","offer_id":51810505621802,"sku":"ANGELxBandSM","price":1694.99,"currency_code":"USD","in_stock":false},{"title":"Medium (3.6-4.5\")","offer_id":51810505654570,"sku":"ANGELxBandM","price":1838.99,"currency_code":"USD","in_stock":false},{"title":"ML (4.6-5.5\")","offer_id":51810505687338,"sku":"ANGELxBandML","price":1997.99,"currency_code":"USD","in_stock":false},{"title":"Large (5.6-6.5\")","offer_id":51810505720106,"sku":"ANGELxBandL","price":2084.99,"currency_code":"USD","in_stock":false},{"title":"XL (6.6-7.5\")","offer_id":51810505752874,"sku":"ANGELxBandX","price":2180.99,"currency_code":"USD","in_stock":false},{"title":"XX (7.6-8.5\")","offer_id":51810505785642,"sku":"ANGELxBandXX","price":2369.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/BandedAngelfish.png?v=1787245172","url":"https:\/\/topshelfaquatics.com\/products\/banded-angelfish-hawaii-apolemichthys-arcuatus","provider":"Top Shelf Aquatics ","version":"1.0","type":"link"}