IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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  Common names: goby (English), gobio (Espanol)
Lythrypnus cobalus Bussing, 1990

Knave goby

Body robust; head round; with fleshy crest along top of head and nape; mouth very oblique; head without pores; papillae around mouth, on cheeks and operculum and over eye; front nostril a long tube, rear nostril a raised rim; tongue round to blunt; 5-7 gill rakers; dorsal fin VI (2nd  and 3rd  spines filamentous in male)+ I, 19 (18-20) rays; 15-16 anal rays; 21-22 (20-23) pectoral rays; pelvics fused into disc; pectoral rays unbranched; tail fin short, round, with 17 segmented rays; scales rough, none on head, nape, chest and pectoral base; ~ 43 lateral scale rows. 

Red; 4-7 thin blue, dark-margined bars on body and 3 on head; dorsal, tail and anal fins orange, paler distally; pectorals and pelvics blue-grey; 5 black dots along underside of tail base.

Size: 2.6 cm.

Habitat: rocky bottoms.

Depth: 30-90 m.

Cocos Island.


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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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