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| Common names: silverside (English), pejerrey (Espanol) |
Atherinella starksi (Meek & Hildebrand, 1923)
Top of head profile ~ straight; top jaw extendible; mouth curved, ends behind front edge of eye; head relatively deep ~ 16-19% of SL; dorsal fin III-IV + I, 7-8; first dorsal fin very small, origin behind origin of anal fin; base of 2nd dorsal ends before base of anal fin; pectorals longer than head, but not reaching past pelvic tips; anal fin I, 24-28; 39-40 lateral scales; 17-20 scales in front of dorsal fin; 8-9 transverse rows of scales; 2 scale rows along base of anal fin.
Back greenish, lateral silver stripe narrow (~ 1 scale wide, ¾ eye), with blue upper margin.
Size: 14 cm.
Habitat: over sandy bottoms near reefs.
Depth: 0-10 m?
Costa Rica to Ecuador.