| Ecological Descriptors
Elongate, laterally compressed; snout shorter than rest of head. Back iridescent blue-green. Adults lack spots (young may have yellow spots like Spanish Mackerel, S. maculatus). Front of dorsal fin same color as rest of fin, not black. Lateral line drops abruptly below second dorsal fin.
This species is reef-associated and oceanodromous and is often found in outer reef areas. It feeds primarily on fishes, in particularly clupeids with smaller quantities of penaeid shrimps and squids. It occurs singly or in small groups often in outer reef areas. Large schools have been found to migrate over considerable distances.
Spawning is from May to September. Longevity can reach 32 years for females and 26 for males. Average generation length has been estimated at 9 years.
(C) John Soward