Description: pectoral fin moderately long,
reaching point below beginning of second dorsal fin; second dorsal fin dusky;
all finlets dusky, with white edges; dorsal finlets sometimes turn yellowish at
base after death; a broad, brownish stripe along upper part of side; eye large;
19 to 25 gill rakers (usually 21 to 23) on first arch
Size: to 1 meter (3.25 feet) and 19 kilograms (42 pounds)
Where found: near shore and offshore
Blackfin can be found in water with surface temperatures between 70F and 82F, but prefer 74F to 76F.