Comprehensive DescriptionRead full entry
| Common names: scad (English), macarela (Espanol), caballa (Espanol) |
Decapterus macarellus (Cuvier in Cuvier & Valenciennes, 1833)
Elongate, slender, cylindrical; eye covered with adipose eyelid except for central slit; top and rear end of upper jaw straight, lower corner angular; front of shoulder that meets gill chamber with 2 moderate sized papillae; gill rakers (including rudiments) 10-13 + 34-41; dorsal rays VIII+I, 31-37 (including detached rear finlet); anal rays II+I, 27-31 (including detached rear finlet); pectoral fin 58-72% of head length; lateral line with long, low arch anteriorly; scales in straight part of lateral line 24-30, followed by 28-33 scutes, total scales and scutes in lateral line (excluding caudal scales) 110-138; branches of lateral line extending onto nape only; scales on top of head usually extend forward to level of at least anterior margin of pupil .
Bluish green on back, silvery below; membrane at front of roof of mouth white; a small black blotch on margin of gill cover near upper edge; caudal fin yellow green.
Size: grows to 44 cm.
Habitat: pelagic, mainly in oceanic waters.
Depth: 0-200 m.
Worldwide in tropical seas; in our region the tip of Baja and the mouth of the Gulf of California, Costa Rica to Chile and the offshore islands.