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Species Name: Holacanthus passer

Authority: Valenciennes, 1846

Common Name: King Angelfish

Range: Eastern Pacific Ocean: West Coast of tropical America as far north as the Gulf of California/Sea of Cortez

Size: 10 inches - 25 cm

Natural Environment: Inhabits rocky areas, from 10 to over 250 depths (3 - 75 m)

General Husbandry: Prefer a temperature of 66 - 81°F (19 - 27°C) and their natural diet consists mainly of crustaceans, sponges, tunicates and some algae. Needs numerous feedings per day consisting of live or frozen enriched brine shrimp, mysis shrimp, foods containing sponge particles, flake foods containing Spirulina, and even pieces of fresh broccoli, which is a source of vitamins A and C, and/or fresh Caulerpa. However, juveniles need a diet with a greater content of green-type foods/algae. Do not overfeed meaty foods as it may lead to a fatty deposit around the liver that could stop production of vitamin A. This could cause blindness, often referred to as nutritional blindness. Juveniles and subadults are more aggressive than adults; therefore chose tankmates carefully, as slower moving animals may be damaged. Not suited for reef aquariums containing stony corals, but may be safe with some soft corals, but not gorgonians. Adults should not be housed in anything less than 125 gallon tank and should be the last species added. Most aggressive of the family, and the females pelvic fins are yellow; the males are white.

Aquarium Suitability: A very aggressive species!

King Angelfish (Holacanthus passer) Photo Credit:Bob Fenner

Photo Credit: Bob Fenner

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