Chaetodon triangulum
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Perciformes (Perciformes, Also Called the Acanthopteri)
Chaetodontidae (Butterflyfishes)
Chaetodon
Chaetodon triangulum
Description
This species account was compiled from
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Characters
Body shape: short and / or deep. Description: Body dark grey with pattern chevron (Ref. 90102). Deep-bodied and black triangle in caudal fin (Ref. 48636). Snout length 2.8-3.3 in HL. Body depth 1.7-2.2 in SL (Ref. 90102).
Distribution
Indo-West Pacific: Madagascar to the Andaman Sea (Ref. 9710) and western sector of the Indonesian Archipelago. Chinese Taipei south to Tubbataha, Philippines.
Habitat Associations
Marine. reef-associated. Found in: estuaries, coral reefs.
Biology
Inhabit lagoon and seaward reefs (Ref. 9710). Closely associated with Acropora corals, particularly the staghorn variety. Territorial and in pairs (Ref. 9710). Juveniles solitary among coral branches (Ref. 48636). Feed mainly on coral polyps and therefore does not adjust easily to aquarium conditions. Oviparous (Ref. 205), monogamous (Ref. 52884). Form pairs during breeding (Ref. 205).
Max length: 16.0 cm TL.
Reproductive mode: dioecism; fertilization: external; mating system: monogamy; nonguarders (open water/substratum egg scatterers); parental care: none. Distinct pairing (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).
IUCN Red List Status: Least Concern (LC), assessed 2009-10-07. Resilience: High (Preliminary K or Fecundity.).
Commercial or Environmental Importance
Fisheries: commercial; aquarium: commercial.
References
Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Allen, G.R. (1985) Butterfly and angelfishes of the world. Vol. 2. 3rd edit. in English. Mergus Publishers, Melle, Germany.
Lieske, E. and R. Myers (1994) Collins Pocket Guide. Coral reef fishes. Indo-Pacific & Caribbean including the Red Sea. Haper Collins Publishers, 400 p.
Opitz, S. (1996) Trophic interactions in Caribbean coral reefs. ICLARM Tech. Rep. 43, 341 p.
Kuiter, R.H. and T. Tonozuka (2001) Pictorial guide to Indonesian reef fishes. Part 2. Fusiliers - Dragonets, Caesionidae - Callionymidae. Zoonetics, Australia. 304-622 p.
Whiteman, E.A. and I.M. Côté (2004) Monogamy in marine fishes. Biol. Rev. 79:351-375.
Allen, G.R. and M.V. Erdmann (2012) Reef fishes of the East Indies. Perth, Australia: Universitiy of Hawai'i Press, Volumes I-III. Tropical Reef Research.
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