Shorefishes of the Tropical Eastern Pacific Online Information System
Updated: 06/12/2008  

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Species Information          
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Clupeiformes  -  Clupeidae  -  Harengula  -  Harengula thrissina

Harengula thrissina

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  behind operculum: black spot + yellow stripe

top jaw: 3 bones, rear 2 toothed
rear edge gill opening on body; 2 fleshy lobes
operculum: no bony canals

belly - keel of scutes


Harengula thrissina (Jordan & Gilbert, 1882)

Pacific flatiron herring

Moderately deep bodied, upper and lower body profiles both convex; mouth at front, lower jaw a little projecting;  top jaw with 3 toothed bones, no notch at center front of top jaws; gill rakers on lower limb of first arch 28-34 operculum smooth; operculum smooth without bony striae; rear edge of gill opening on body with 2 fleshy lobes; dorsal fin at about midbody, 17-18 rays, no with filament; pelvic fins present, under dorsal; anal fin base short (15-17 rays), origin well behind dorsal fin; a scuted keel along entire belly. 

Iridescent blue on back, silvery on sides; a black spot behind operculum; a faint yellowish stripe on upper side.

Size: grows to 18.4 cm.

Habitat: forms large inshore schools.

Depth: 0-10 m?

Southern California to the Gulf of California to Peru; occasionally in the Galapagos.

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