Genus: Scomberomorus, Mackerel, Mackerels, Sierras
snout <<1/2 head
D1 XI-XXII; 2 Ds close
D & A 7-10 finlets behind
D & A 7-10 finlets behind
teeth compressed, triangular
with gill rakers
SCOMBEROMORUS
MACKERELS, SIERRAS
Elongate, strongly compressed; snout distinctly < half head; no fatty eyelid; rear of top jawbone exposed when mouth is closed; teeth strong, compressed, triangular or knife-like; 1-27 gill rakers; 2 dorsal fins, very close together; 1st dorsal fin with XI-XXII spines; 7-10 finlets after dorsal and anal fins; 1 large + 2 small keels on tail base; tail fin deeply forked; 1 lateral line; corselet of scales obscure.
A worldwide tropical to temperate genus with 18 species; represented in our region by 3 W Atlantic and 1 NW Atlantic species.
