Shorefishes of the Eastern Pacific online information system

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Genus: Hemicaranx, Jacks, Scads


All Families:   All Genera:   All Species:

D & A: no finlets behind
both jaws: 1 row comblike teeth
pectorals > head
LL: rear part with scutes

HEMICARANX

JACKS, SCADS

Body moderately compressed in adult; both jaws with a comb-like single row of small teeth; no papillae on edge of shoulder immediately after gill chamber; dorsal fin VIII; no finlets behind dorsal and anal fins; pectoral fins longer than head; tail base slender; tail strongly forked; no branch of lateral line along besides base of dorsal fin; straight rear part (but not curved front part) of lateral line with well developed scutes (large, hard, spiny scales); most of body with small but easily visible scales.

An Atlantic and eastern Pacific genus with 4 species, 2 of which are endemic to our region.