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Description

  Common names: scad (English), macarela (Espanol), caballa (Espanol)
 
Decapterus macarellus (Cuvier in Cuvier & Valenciennes, 1833)


Mackerel scad



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.
   

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© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

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