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Prognathodes dichrous (Günther, 1869) Bicolor butterflyfish |
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photo by
Tanaka, H. |
| Family: | Chaetodontidae (Butterflyfishes) | |||
| Max. size: | 16 cm TL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range 3 - 120 m, non-migratory | |||
| Distribution: | Southeast Atlantic: Saint Helena and Ascension islands. | |||
| Diagnosis: | Dorsal spines (total): 12-12; Dorsal soft rays (total): 19-19; Anal spines: 3-3; Anal soft rays: 15-15 | |||
| Biology: | Adults are occasionally encountered in shallower water in caves or at the bases of overhangs (Ref. 5288). They also occur on seamounts (Ref. 057925). They are usually in pairs browsing over the rocky substratum in search of benthic invertebrates. Unknown to marine aquarium enthusiasts (Ref. 4858). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 06 October 2009 Ref. (130435) | |||
| Threat to humans: | harmless | |||