IUCN threat status:

Least Concern (LC)

Comprehensive Description

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  Common names: silverside (English), pejerrey (Espanol), plateadito (Espanol)
Atherinella eriarcha (Jordan & Gilbert, 1882)

Longfin silverside

Body relatively deep, its depth about 5.0 in SL; abdomen rounded in cross section, not compressed into a keel;  2 pairs of sensory tubes on snout fused  in center; lower jaw not enclosed by upper jaw when mouth is closed; dorsal rays IV+I, 11-12,  first dorsal over origin of anal fin; anal rays I, 27;  pectoral fins short, reaching to about middle of pelvic fins; scales smooth; mid-side scales about 48-49; at most a couple of scales on front of base of anal fin.

Translucent pale olive with narrow dark scale outlines and broad silver midlateral band, narrowing to rear to a large triangle at the tail fin base.

Size: reaches at least 8 cm.

Habitat: forms aggregations in shallow bays and near coastal reefs.

Depth: 0-10 m?

Southern Baja and the lower 2/3 of the Gulf of California to Colombia, the Revillagigedos and Cocos.   


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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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