Giant trevally (Caranx ignobilis)

Scientific name: Caranx ignobilis Forssk?l, 1775

The Giant trevally (Caranx ignobilis) is a brackish-water fish of the family Carangidae. In the aquarium it needs water at 26–29°C (79–84°F).

Giant trevally care at a glance

Temperature: 26–29°C (79–84°F)

Biology

Pelagic over sand and rock. Adults occur singly and inhabit clear lagoon and seaward reefs. Juveniles found in estuaries. Feed on crustaceans (like crabs and spiny lobsters) and fishes at night. Large individuals may be ciguatoxic. The largest trevally, reaching 1.7 m in length and a weight of over 60 kg. Spawn on shallow seaward reefs and offshore banks. Sold mostly fresh and dried salted.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Caranx ignobilis
Family: Carangidae (Jacks and pompanos)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 170
Common length: 100.0
Depth range: 10–188 m (33–617 ft)
Environment: Marine; brackish; reef-associated; depth range 10 - 188 m
Climate: Tropical
Distribution: Indo-Pacific: Red Sea and east coast of Africa to the Hawaiian and Marquesan islands, north to southern Japan and the Ogasawara Islands, south to northern Australia. Hybrid with Caranx melampygus found in Hawaii.
Conservation status (IUCN): Not Evaluated
Threat to humans: Reports of ciguatera poisoning
Uses: Fisheries: commercial; aquaculture: commercial; gamefish: yes; aquarium: public aquariums
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (K=0.08-0.11; tm=3.5)