Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Carangidae
(Jacks and pompanos)
Etymology: Trachinotus: Greek, trachys, -eia, -ys = rough + Greek,noton = back (Ref. 45335).
Environment / Climate / Range
Marine; brackish; reef-associated; depth range ? - 7 m (Ref. 5439). Tropical; 32°N - 32°S
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 58 - ? cm
Max length : 110 cm FL male/unsexed; (Ref. 1602); common length : 40.0 cm TL male/unsexed; (Ref. 3280); max. published weight: 3.4 kg (Ref. 40637)
soft rays: 16 - 18. Color generally silvery, paler below; large adults mostly golden orange, especially ventrally. Dorsal snout profile very steep; soft dorsal and anal fin lobes greatly elevated.
Indo-Pacific: Red Sea and East Africa (Ref. 3287) to the Marshall Islands and Samoa, north to southern Japan, south to Australia.
Juveniles inhabit sandy shorelines and shallow sandy or muddy bays near river mouths while adults move out in schools to clear seaward reefs. Found near coral and rock reefs (Ref. 5213). Juveniles in small schools, while adults are usually solitary (Ref. 48635). Feeds primarily on sand mollusks and other hard-shelled invertebrates (Ref. 9710).
Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Reports of ciguatera poisoning (Ref. 30911)
Fisheries: minor commercial; aquaculture: commercial; gamefish: yes; aquarium: public aquariums
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03078 (-0.10503 - 0.16660), b=2.87467 (2.79383 - 2.95552), based on LWR estimates for species & family-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.7 ±0.46 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4).
Vulnerability (Ref. 59153
): High vulnerability (60 of 100) .