Photo. (c) 2019 John Nevill.
Photo. (c) 2019 John Nevill.
Scientific Name: Kyphosus vaigiensis
English Name: Brassy chub
Creole Name: Pwason Dai
French Name: Saupe grise à lignes jaunes
IUCN Red List Status: Least Concern (LC)
Description:
Dorsal spines: 10-11; Dorsal rays: 13-15; Anal spines: 3; Anal rays: 12-14.
Body elongate, oval shaped and moderately compressed. Head short with short snout and small terminal mouth. Jaws with a single row of incisor-like teeth. Maxilla barely
reaching back to anterior edge of eye. Interorbital region narrow. Ctenoid scales covering interorbital region, the postorbital region, the cheek, the operculum and along
the body to the caudal fin. Dorsal and anal fin very low. Caudal peduncle broad and caudal fin emarginate with slightly pointed lobes.
Colour. Body base colour silvery shading to metallic blue dorsally and white ventrally. Golden horizontal stripes run along the body. Golden streak beneath eye from snout
to behind anterior edge of eye. Another golden line edging bottom of eye and behind eye. Golden colour along edge of operculum and base of pectoral fin. Fins grey or
slightly darker grey than body colour. Dark posterior margin to caudal fin.
Size:
Maturity: Lm unknown. Range 36 - ?cm TL. Max length 90cm TL.
Habitat and Ecology:
Occurs over hard, algal coated bottoms of exposed surf-swept outer reef flats, lagoons, and seaward reefs (depth 0-40m). Adults usually close to the coastline usually in
groups and sometimes schools with other kyphosid species. Young (up to 5 cm) are found among floating seaweed where they feed on small crustaceans. Adults feed mainly on
benthic brown algae and exhibit large range areas. Oviparous.
Fishery Status:
This species is not protected or subject to fishery regulations. It is caught in the hand line fishery, but is only an occasional component of the catch.
Notes:
References:
Bray, D.J. (2018). Kyphosus vaigiensis in Fishes of Australia, http://fishesofaustralia.net.au/home/species/524 (27/06/19).
Froese, R. & D. Pauly. (Eds.) (2019). FishBase. https://www.fishbase.se/summary/5806 (26/06/19).
Knudsen, S. (2015). Kyphosus vaigiensis. The IUCN Red List 2015: http://dx.doi.org/10.2305/IUCN.UK.2015-4.RLTS.T46086190A46664689.en. (26/06/19).
Knudsen, S.W. & K.D. Clements. (2013). Revision of the fish family Kyphosidae (Teleostei: Perciformes). Zootaxa 3751(1):001-101.
Citation:
Nevill, J.E.G. (2019). Kyphosus vaigiensis, Brassy chub. Seychelles Seatizens. www.seatizens.sc. https://seatizens.sc/species/kyphosus-vaigiensis-quoy-gaimard-1825/ (edited 08/07/22).