IUCN threat status:

Least Concern (LC)

Comprehensive Description

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  Common names: goby (English), gobio (Espanol)
Quietula y-cauda (Jenkins & Evermann, 1889)

American shadow goby

Elongate, slender (depth 14% of TL), little compressed; head large, depressed; a transverse groove across nape; eyes on top of head, close together; mouth large, upper jaw bone very long, reaching onto operculum; teeth in single series, on lower jaw and front of upper, slightly curved; tongue round tip; 11-13 short, blunt gill rakers; dorsal IV-V + I, 13-15; anal I, 12-15, long base; pelvics fused to form disc, pelvics relatively short, not reaching nearly to anus; pectorals long, reaching past end of pelvics, 19 rays; scales small, imbedded, slightly visible only on sides, ~ 50 irregular rows along side.

Color variable: dark to light above, paler below, head and body with dark speckles; tail with 6-7 thin bars; spinous dorsal dark blotches; a row of dark spots along midflank; lateral Y shape mark just before tail fin; male with thick black stripe along middle of anal fin. 

Size: 7.0 cm (4.2 cm in the Gulf of California).

Habitat: mud flats of lagoons and river mouths, at times in worm or shrimp burrows.

Depth: 0-6 m.

Southern California to Gulf of California.


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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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