Chaetodon biaculeatus Bloch, 1790
The maroon clownfish, Premnas biaculeatus, is a species of clownfish that is found in the Indo-Pacific from western Indonesia to Taiwan and the Great Barrier Reef. They can grow up to be about 17 cm (6. 7 in), and as they grow, they become more aggressive towards other clownfish. It is also known as the spine-cheeked clownfish. It is the only member of the genus Premnas, although it has been suggested that the taxon epigrammata from Sumatra should be recognized as a distinct species, Premnas epigrammata (Fowler, 1904).
The stripes across the body are normally white, but they are yellow in the taxon epigrammata. The female is usually larger than the male. The female is also and dark red or maroon, while the male smaller and a bright red.
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Many hobbyists believe that a 30-gallon tank is best for one fish or 60 gallons for a pair. In the wild, it is strictly associated with the sea anemone Entacmaea quadricolor, and thus many hobbyists provide this species in addition to the fish. The maroon clownfish likes frozen shrimp and herbivore preparations.
Many hobbyists do not catch the fish using a net. The spines may get entangled in the net, which can injure the fish. Instead, hobbyists tend to use a cup.
The maroon clownfish is one of the larger, more aggressive members of the clown family. Consequently, they are typically housed singly, the only exception being a mated pair. To avoid aggression, maroon clownfish are not normally mixed with any other type of clownfish, and the rock work is rearranged periodically. Also, they are often the last fish added to a tank. They are human-responsive to the point of trying to "intimidate" people with whom they are not familiar.
The fish has successfully bred in a home aquarium.
Maroon clownfish and a tang
- Bailly, N. (2010). "Premnas biaculeatus (Bloch, 1790)". In Nicolas Bailly. FishBase. World Register of Marine Species. Retrieved 2011-12-23.
- Lieske, E., and R. Myers. 1999. Coral Reef Fishes. ISBN 0-691-02659-9
- Tristan Lougher (2006). What Fish?: A Buyer's Guide to Marine Fish. Interpet Publishing. ISBN 978-1-84286-118-9.
- Kuiter, R. H., and H. Debelius. 2007 (2nd edition). World Atlas of Marine Fishes. ISBN 3-925919-77-5