The Great Fiji Butterflyfish Count

Forcipiger longirostris (Broussonet, 1782

Family: Chaetodontidae (Butterflyfishes)

Order: Perciformes (perch-likes)

Class: Actinopterygii (ray-finned fishes)

FishBase name: Longnose butterflyfish

Environment: reef-associated; non-migratory; marine; depth range 3 – 70 m

Climate: tropical; 28°N – 28°S

Resilience: High, minimum population doubling time less than 15 months(Preliminary K or Fecundity.)

Vulnerability: Low vulnerability (11.30), based on Lmax and K (Ref. 59153)

Distribution:Gazetteer Indo-Pacific: East Africa to the Hawaiian, Marquesan, and Pitcairn islands, north to the Bonin [=Ogasawara] Islands, south to New Caledonia and the Austral Islands; throughout Micronesia.

Morphology: Dorsal spines (total): 10 – 11; Dorsal soft rays (total): 24 – 28; Anal spines: 3; Anal soft rays: 17 – 20. Snout extremely long (Ref. 48636). Rare uniformly black color phase.

Biology: A generally uncommon species that inhabits seaward reefs to depths greater than 60 m (Ref. 9710). Engybenthic (Ref. 58302). Feeds mainly on whole organisms such as small crustaceans. Usually seen in pairs. Oviparous (Ref. 205), monogamous (Ref. 52884). Forms pairs during breeding (Ref. 205). Sometimes dark brown instead of yellow (Ref. 48636).

Max. size: 22.0 cm TL (male/unsexed; Ref. 9710)

Importance:  fisheries: minor commercial; aquarium: commercial; price category: not marketed/unknown

Red List Status: Not Evaluated (Ref. 57073)

Dangerous: harmless

Image for Forcipiger longirostris, Chaetodontidae, Longnose butterflyfish.