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Caranx sexfasciatus (Quoy & Gaimard, 1825)
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Caranx sexfasciatus (Quoy & Gaimard, 1825)
  • Photo. (c) 2019 John Nevill.
  • Photo. (c) 2019 John Nevill.
Genus: ,

Scientific Name: Caranx sexfasciatus

English Name: Bigeye trevally

Creole Name: Karang grolizye/lakoudik

French Name: Carangue vorace

IUCN Red List Status: Least Concern (LC)



Information

Description:

Dorsal spines: 9; Dorsal rays: 19-22; Anal spines: 3; Anal rays: 14-17.

Body oblong and moderately compressed. Dorsal profile moderately convex anteriorly, ventral profile only slightly convex. The large eyes have a well-developed adipose eyelid, 
moderate anteriorly, posterior eyelid extends onto eye to rear border of pupil. Chest completely scaly. A single row of conical teeth occurs in the lower jaw, while the 
upper jaw has a single, outer row, conical teeth and an inner band of villiform teeth.

Colour: adults with head and body silvery olive to blue-green above, silvery olive to whitish below. Males in courtship are black. Small blackish spot at upper angle of 
opercle. Tip of dorsal and anal fin lobe is white becoming more so with increasing size. Anal and caudal fins yellowish to black. Lateral-line scutes dark to black. 
In juveniles and young adults, head, body, and scutes more silvery and fins paler (grey to yellow) except upper half of dorsal-fin lobe and upper lobe of caudal fin 
usually dark. The caudal fin is deeply forked and the pectorals are long and sickle shaped. Juveniles have six dusky crossbars but these become less distinct with age.


Size:

Maturity: Lm 42cm SL. Range unknown. Max Length: 120cm. Commonly 60cm FL.


Habitat and Ecology:

Inhabit coastal and oceanic waters associated with reefs (depth 0-146m. pelagic at 1-96m). Juveniles may occur in estuaries. Adults lethargic, shoaling fish by day but at 
dusk these predators disperse and actively hunt their prey primarily reef fish and crustaceans.


Fishery Status:

This species is not protected or subject to fishery regulations. It is caught in the handline fishery and is a regular though not particularly abundant component of the catch.


Notes:

 

 


References:

Dominici-Arosemena, A. et al. (2010). Caranx sexfasciatus. The IUCN Red List 2010: http://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T155130A4722924.en. (20/05/19).
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 nd Agricultural Organization of the United Nations, vols 1-6: pag. var
Froese, R. & D. Pauly. Eds. (2019). FishBase. https://www.fishbase.se/summary/Caranx-sexfasciatus (20/05/19).
Heemstra P & Heemstra, E. (2004). Coastal Fishes of Southern Africa. NISC SAIAB. ISBN: 1-920033-01-7.
Van Der Elst, R. (2012). A Guide to the Common Sea Fishes of Southern Africa. Struik Nature, Cape Town, South Africa. ISBN: 978 1 86825 394 4


Citation:

Nevill, J.E.G. (2019). Caranx sexfasciatus, Bigeye trevally. Seychelles Seatizens. www.seatizens.sc. https://seatizens.sc/species/caranx-sexfasciatus-quoy-gaimard-1825/ (revised 24/06/22). 


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