Diagnostic Description
(
İngilizce
)
Fishbase tarafından sağlandı
Body deep, elongated and slightly compressed; eye with an adipose eyelid; posterior edge of lower jaw behind posterior edge of eye; chest mostly scaleless, just a small patch in front of pectoral fins; 35 to 42 strong scutes; back of body blue to blue black; belly white, silvery, or yellow; pectoral fins and operculum each with a black spot (Ref. 55763).
Migration
(
İngilizce
)
Fishbase tarafından sağlandı
Oceanodromous. Migrating within oceans typically between spawning and different feeding areas, as tunas do. Migrations should be cyclical and predictable and cover more than 100 km.
Biology
(
İngilizce
)
Fishbase tarafından sağlandı
Adults occur in oceanic and coastal waters, commonly found in shallow water, with larger individuals up to 350 m depth (Ref. 9283). Also found in brackish water and occasionally ascend rivers (Ref. 9283). They form medium-sized to big schools, but large adults may be solitary (Ref. 9283). They feed mainly on fishes, but also takes shrimps and other invertebrates (Ref. 9283). Often makes a grunting sound when captured (Ref. 9283). Juveniles are often found in river estuaries (Ref. 9283). Marketed fresh, frozen, smoked and salted or dried; also utilized as fishmeal and a source of oil (Ref. 9283).
Importance
(
İngilizce
)
Fishbase tarafından sağlandı
fisheries: commercial; gamefish: yes