Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Carangidae
(Jacks and pompanos)
Etymology: Decapterus: Greek, deka = ten + Greek, pteron = wing, fin (Ref. 45335). More on author: Bleeker.
Environment / Climate / Range
Marine; reef-associated; depth range 20 - 214 m (Ref. 58302), usually 30 - 70 m (Ref. 37816). Tropical; 32°N - 20°S
Length at first maturity / Size / Weight / Age
Maturity: Lm 15.5  range ? - ? cm
Max length : 35.0 cm TL male/unsexed; (Ref. 3197); common length : 25.0 cm TL male/unsexed; (Ref. 9137)
soft rays: 27 - 30. Body slender, elongate, and somewhat circular in cross section; posterior end of upper jaw concave dorsally and with a rounded protrusion ventrally; edge of shoulder girdle (cleithrum) with two small papillae, the lower one larger; dorsal and anal fin each followed by a separate finlet (Ref. 55763). Color metallic blue dorsally, silvery ventrally; fins hyaline; opercle with a small black spot (Ref. 2334). 24-40 scutes. Very slender compared to similar species (Ref. 48635).
Indo-West Pacific: East Africa (no verified records from the Red Sea) to Malaysia, Indonesia and the Arafura Sea. Eastern Pacific: Gulf of California to Peru, including the Galapagos Islands (Ref. 9283).
A predominately pelagic schooling species (Ref. 9283, 48635, 58302). Occasionally seen in small groups along reef slopes adjacent to deep water in pursuit of zooplankton (Ref. 48635). Feeds mainly on small invertebrates (Ref. 5213). Marketed fresh and salted or dried (Ref. 9283).
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: commercial; bait: usually
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01132 (-0.03578 - 0.05843), b=2.94 (2.92 - 2.96), based on LWR estimates for this species (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.45 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (K=0.50-1.60).
Vulnerability (Ref. 59153
): Low vulnerability (24 of 100) .