Halichoeres marginatus (Rüppell, 1835)
Halichoeres marginatus (Rüppell, 1835)
Genus: , ,

Scientific Name: Halichoeres marginatus

English Name: Dusky wrasse

Creole Name:

French Name: Girelle arc-en-ciel

IUCN Red List Status: Least Concern (LC)


Dorsal spines: 9; Dorsal rays: 13-14; Anal spines: 3; Anal rays: 12-13.

Moderately full-bodied, small wrasse.

Juveniles are blackish to dark brown with bright yellow-white stripes and a large yellow ringed ocelli in the middle of the dorsal fin with a luminescent white spot dorsally 
either side of it.

Females are (a sometimes reddish) brown with darker narrow stripes along the sides, a black, yellow-edged ocellus on the middle of the dorsal fin and a greenish margin on 
the caudal fin.

Terminal males orange brown with a blue edged green spot on each scale forming longitudinal lines. Caudal fin greenish yellow with a blue edged orange red crescent containing 
small blue spots. No ocelli in dorsal fin.


Maturity: Lm 7cm TL. Range unknown. Max Length: 18cm TL.

Habitat and Ecology:

Inhabit a wide range of shallow reef habitats (depth 0-30 m). In Seychelles juveniles can readily be seen sheltering near crevices in shallow coastal rock formations. Feed 
on a wide variety of small invertebrates as well as fish eggs. Pelagic spawner. Some females change sex after spawning. Solitary or in small groups.

Fishery Status:

This species is not protected or subject to fishery regulations. It does not appear to be caught artisanal fishery, likely being too small to be subject to existing techniques.


Bray, D.J. (2018). Halichoeres marginatus in Fishes of Australia, (24/03/20).
Choat, J.H. (2010). Halichoeres marginatus. The IUCN Red List 2010: https://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T187382A8519431.en.  Downloaded on (24/03/20).
Froese, R. & D. Pauly. (Eds.) (2020). FishBase. Halichoeres marginatus Rüppell, 1835. https://www.fishbase.se/summary/5631 (24/03/20)
Randall, J.E. (1986). Labridae. p. 683-706. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin.


Nevill, J.E.G. (2020). Halichoeres marginatus, Dusky wrasse. Seychelles Seatizens. www.seatizens.sc. https://seatizens.sc/species/halichoeres-marginatus-ruppell-1835/ (edited 11/07/22).   


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