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. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 75.0 cm TL male/unsexed; (Ref. 3197); common length : 60.0 cm TL male/unsexed; (Ref. 5450); max. published weight: 2.3 kg (Ref. 3287)
soft rays: 19 - 22. Bluish black above, silvery below; 1-5 large spots on or near LL (absent in specimens less than 15 cm, number of spots increasing with age); caudal, 2nd dorsal and anal fins dusky to blue-black, the lobes usually darker (Ref. 3197).
Indian Ocean: Somalia (Ref. 30573) and Kenya to Algoa Bay, South Africa; also Madagascar, Sri Lanka and western Australia.
Occurs inshore (Ref. 7300). Adults in sandy surf zones; juveniles in shallow surf zones (Ref. 4332). Feeds on crabs, mussels, and worms (Ref. 5213).
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
Fisheries: minor commercial; gamefish: yes
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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=0.01266 (-0.12679 - 0.15210), b=2.92 (2.84 - 3.00), based on LWR estimates for species & family-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.40 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (38 of 100) .