IUCN threat status:

Near Threatened (NT)

Comprehensive Description

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  Common names: goby (English), gobio (Espanol)
Quietula guaymasiae Jenkin & Evermann, 1889

Guaymas goby

Elongate, slender (depth 14% of TL), little compressed; head long (28% TL), narrow, a little depressed; knob on snout; eye on top of head, a little shorter than snout; between eyes 2/3 eye diameter; upper profile gently convex from snout to nape, straight to dorsal origin, gently convex to tail base, lower profile straight; mouth large, upper jaw bone very long, nearly reaching gill opening, broadest in middle, tapering to blunt point at rear; teeth in single series, on lower jaw and front of upper, slightly curved; tongue round tip; 12 short, blunt gill rakers; dorsal V + I, 14, 2 dorsals separated by length of snout, rays of 2nd  dorsal about equal lengths; anal I, 12-15, long base; pelvics fused to form disc, relatively long, reaching nearly to anus; pectorals relatively short, not reaching end of pelvics, ~ 23 rays; scales small, imbedded, slightly visible only on sides, ~ 50 irregular rows along side.

Grey to mottled above, whitish below, 6 double white spots along side of back, alternating with about 7 blackish areas, last one on tail base; white spot behind eye; cheeks with 2 dark bands obliquely down and back from eye; dorsal fins with 4 longitudinal series of dark spots; tail with 5-6 wavy bars; pectorals and pelvics plain; anal plain, without dark band.

Size: 8.5 cm.

Habitat: lagoons and river mouths.

Depth: 0-5 m.

Endemic to the Gulf of California (west, north and central-east).


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© 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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