Shorefishes of the Greater Caribbean online information system

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Genus: Trachurus, Jack Mackerels


All Families:   All Genera:   All Species:

elongate
D & A: no finlets behind
LL: extension below D
pectoral > head
all LL with scutes

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TRACHURUS

JACK MACKERELS

Body elongate, moderately compressed; teeth small, a single row on each jaw; no papillae at front of shoulder at edge of gill chamber; eye with fatty eyelid; dorsal and anal fins without isolated finlets behind main part of fins; pectoral fins long, reach past origin of anal fin; tail base slender; tail strongly forked; well developed, vertically expanded scutes (large spiny scales) on both curved and straight parts of lateral line; with an accessory lateral line along top of back under spiny dorsal fin; scales obvious over all of body except just behind pectoral fin.

Worldwide in subtropical waters, with 18 species. One West Atlantic species in the Greater Caribbean.