Fin's Fish Guide
The Blue trevally (Carangoides ferdau) is a saltwater fish of the family Carangidae that grows up to 70 cm.
Description
The blue trevally is a jack from the Indo-Pacific, from the Red Sea and East Africa to Hawaii. The species grows to about 70 cm and has a laterally compressed, silvery body with a blue-green back and sometimes faint dark cross-bars. It lives over sandy bottoms and reefs in lagoons and coastal water to about 60 metres and hunts molluscs, benthic crustaceans and small fish. It is an excellent food fish; in large specimens there are occasional reports of ciguatera. The IUCN assesses the species as Least Concern (LC).
Frequently asked questions
How do you recognise the Blue trevally?
The Blue trevally has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Silvery compressed body with a blue-green back; excellent food fish Caution: in tropical areas this species can cause ciguatera poisoning when eaten; large specimens of coral reef predators can accumulate the toxin. Eat with care or avoid in risk areas.
Where does the Blue trevally live?
The Blue trevally lives in the sea (marine waters) and is mostly found around open water. Indo-Pacific
How big does the Blue trevally get?
The Blue trevally grows to a maximum of about 70 cm.
Is the Blue trevally dangerous to humans?
No, the Blue trevally is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Blue trevally edible?
Yes, the Blue trevally is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Carangoides
More from the family Carangidae
Want the complete picture on the Blue trevally?
Point your camera at the fish and Fin names the species in seconds. Free, and the Blue trevally is one of 12,519 species in the app.