Mulloidichthys flavolineatus (Lacepède, 1801)
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Mulloidichthys flavolineatus (Lacepède, 1801)

Genus:

Scientific Name: Mulloidichthys flavolineatus

English Name: Yellowstripe goatfish

Creole Name:

French Name: Capucin à bande jaune

IUCN Red List Status: Least Concern (LC)

Description:

Dorsal spines: 8; Dorsal rays: 9; Anal spines: 1; Anal rays: 7.

Elongate bodied, slender goatfish. Barbels do not usually reach rear margin of preopercle. Mouth small, maxilla not reaching front edge of eye. Band of villiform teeth in jaws.

Colour. Silvery white shading darker dorsally to a diffuse olive grey. Yellow stripe on body from eye tapering out at caudal peduncle, bordered by two pale bluish, narrow midlateral stripes. Dark blotch on yellow stripe below first dorsal fin (may be very faint in some specimens). Some pale yellow striping on cheek and often along abdomen. Barbels white. Dorsal and caudal fins white to yellowish, partly hyaline. Pectoral fins pale pink and partly transparent. Pelvic and anal fins whitish and partly transparent.


Size:

Maturity: Lm 20.8cm TL. Range: 12 - ?cm. Max Length: 43 cm TL, commonly to 25cm TL.


Habitat and Ecology:

Inhabits sandy bottoms in calm lagoons or bays in coastal waters (depth 1-76m). Tends to remain in near-stationary aggregations on reefs by day. Individuals feed at night over open sandy areas, consuming a range of invertebrates including crustaceans, molluscs, worms, heart urchins, foraminifera and occasionally small fish. Large adults are often found solitary on sand slopes with other species following to feed on prey that are disturbed when the goatfish is feeding. Benthopelagic.


Fishery Status:

This species is not protected or subject to fishery regulations. It is typically caught in the trap fishery or by net caught, but it is a relatively uncommon component of the catch.


Notes:

The similar Goldstripe Goatfish, Mulloidichthys vanicolensis, fins yellow, lacks the dark blotch on the mid-lateral stripe (although the blotch is not always present in M. flavolineatus) body depth 3.3 to 3.4 times in standard length (3.6 to 4.7 times in M. flavolineatus). Gillrakers 32 to 36 (33 to 38 in M. flavolineatus).


References:

Bray, D.J. 2020. Mulloidichthys flavolineatus in Fishes of Australia, http://136.154.202.208/home/species/583 (16/04/20).

Fischer, W. & G. Bianchi (eds), (1984).  FAO species identification sheets for fishery purposes. Western Indian Ocean; (Fishing Area 51). Prepared and printed with the support of the Danish International Development Agency (DANIDA). Rome, Food and Agricultural Organization of the United Nations, vols 1-6.

Froese, R. and D. Pauly. Eds. 2018. FishBase. https://www.fishbase.se/summary/Mulloidichthys-flavolineatus (06/06/19).

Smith-Vaniz, W.F. & Williams, I. 2016. Mulloidichthys flavolineatus (errata version 2017). The IUCN Red List 2016: e.T50903119A115403890. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T50903119A51308207.en.  (16/04/20).


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