IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Description

  Common names: goby (English), gobio (Espanol)
 
Elacatinus janssi Bussing, 1981


Spot-back goby


Elongate; head rounded; upper lip connected to snout at front; a pore midway between front of the two eyes; 2 pores on preopercle; no teeth on roof of mouth; tongue with blunt tip; dorsal VII + I, 9; anal rays I, 8-9; pectoral rays 18; pelvic fins fused in a disc; tail rounded; scaleless except for 2 large rough scales on tail-fin base.


Head yellowish with brown bar below eye, also brown bands and spots on cheek and opercle; body translucent pale yellow to whitish with small brown spots on upper half; body with 6-7 internal, wavy brown bars.


Size: to 3 cm.

Inhabits reefs and rock outcrops surrounded by sand.

Depth: 5-20 m.

Southern Mexico to Panama.
   

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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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