IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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  Common names: worm-goby (English), worm-fish (English), gobio-gusano (Espanol), pez lombriz (Espanol), pez-gusano (Espanol)
Microdesmus dipus Günther, 1864

Scrawled worm-goby,     Translucent worm-fish,     Banded worm-goby

Slender, wormlike, body height 7% of SL; tail (without fin) slightly < 50% of SL; eyes small but not tiny, not skin covered, on side of head; lower jaw strongly projecting, with small fleshy lump at chin; mouth small, lips thin, with small flanges at sides; teeth tiny, even, close-set, in 2 irregular rows; gill opening large (not tubular), length ~ equal to base of pectoral; dorsal fin spines evenly spaced, XVI-XVIII, 36-41, origin 1/3 of pectoral length behind pectoral; anal II, 32-37; pectoral 11-13 rays; pelvics I, 3, shorter than pectorals; tail fin rounded; dorsal and anal fins confluent with tail fin; scales small, non-overlapping, well separated; body and head scaled except for tip of lower jaws and tip of snout; a flat band of diverging scales along bases of dorsal and anal fins; scales with 22 radiating lines.

White to tan; dark blotches on top and sides of head; a row of irregular dark blotches scattered along entire base of dorsal fin, sometimes forming a dark stripe; row of short, irregular dark oblique bars along mid-flank to level of origin of anal fin, grading into irregular smaller blotches and spots behind; markings often variable in shape and distribution.

Size: 8.8 cm.

Habitat: intertidal rock pools.

Depth: 0-5 m.

SW and SE Gulf of California to Panama, the Galapagos.


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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