Heniochus diphreutes Jordan, 1903
False moorish idol
Heniochus diphreutes
photo by Muséum-Aquarium de Nancy/D. Terver

Family:  Chaetodontidae (Butterflyfishes)
Max. size:  21 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 5 - 210 m, non-migratory
Distribution:  Indo-Pacific: Red Sea and South Africa to warm-temperate Australia and the Hawaiian Islands.
Diagnosis:  Dorsal spines (total): 12-13; Dorsal soft rays (total): 23-25; Anal spines: 3-3; Anal soft rays: 17-19. Description: Body is white with two broad oblique dark-brown bands running across the body from the dorsal fin to the abdomen and anal fin. A short brown band runs from the top of the head to the eye. The soft portion of the dorsal fin and the caudal fin are yellow (Ref. 2334). Snout length 3.0-3.7 in HL; body depth 1.2-1.5 in SL (Ref. 90102).
Biology:  Occur primarily along outer reef slopes, in current channels. Juveniles in aggregations around isolated patch reefs, adults in large schools well above the bottom (Ref. 9710). In Indonesia, adults most common in depth 40-50 m, reported to 200 m (Ref. 48636). Benthopelagic (Ref. 58302). Feed on plankton. Juveniles may act as cleaners (Ref. 9710); also observed in adults (Ref. 48636). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
IUCN Red List Status: Least Concern (LC); Date assessed: 05 October 2009 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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