The Great Fiji Butterflyfish Count

Chaetodon citrinellusCuvier, 1831

Family: Chaetodontidae (Butterflyfishes)

Order: Perciformes (perch-likes)

Class: Actinopterygii (ray-finned fishes)

FishBase name: Speckled butterflyfish

Image for Chaetodon citrinellus, Chaetodontidae, Speckled butterflyfish.Max. size:13.0 cm TL (male/unsexed; Ref. 9710)tropical;

Environment: reef-associated; marine; depth range 1 – 36 m

Climate: 30°N – 32°S

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

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

Vulnerability: Low vulnerability (10.00), based on Lmax and K (Ref. 59153)

Distribution: Gazetteer Indo-Pacific: East Africa to the Hawaiian, Marquesan and Tuamoto islands, north to southern Japan and the Ogasawara Islands, south to New South Wales (Australia) and Lord Howe Island.

Morphology: Dorsal spines (total): 13 – 14; Dorsal soft rays (total): 20 – 22; Anal spines: 3; Anal soft rays: 16 – 17. Pale yellow with numerous small dark spots. Black bar over head and black margin on anal fin (Ref. 48636).

Biology: Common in shallow exposed reef flats, lagoons, and seaward reefs; in relatively open areas with scattered corals and occasionally at depth of 36 m (Ref. 205). Engybenthic (Ref. 58302). Usually in pairs. Juveniles often in small aggregations and commonly mix with other similar sized juveniles, especially C. kleinii. Feed on small worms, small benthic invertebrates, coral polyps, and filamentous algae. Oviparous. Form pairs during breeding (Ref. 205).

Red List Status: Not Evaluated (Ref. 57073)

Dangerous: harmless

Coordinator: Main Ref: Myers, R.F.. 1991. (Ref. 1602