IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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  Common names: worm-goby (English), gobio-gusano (Espanol)
Cerdale ionthas Jordan & Gilbert, 1882

Spotted worm-goby

Body short, stubby, eel-like,  body height ~ 10% of SL; mouth strongly oblique, lower jaw projecting;  with a V shaped notch on the side of each lower lip; 2 rows of teeth on each jaw, conical outer row, chisel-like inner row; gill opening tubular;  dorsal fin spines of equal height and spacing XI-XIII, 31-34 (usually XII, 32-33), origin in front of level of pectoral fin tips; anal rays 27-31 (usually 29-31); pectoral rays 13-15 (usually 14); dorsal and anal fins unconnected to tail fin; scales separate to close-set and partly overlapping.

Overall whitish with a reticulation of heavy brown to blackish spotting and mottling, particularly on head.

Size: grows to 7.5 cm.

Habitat: occurs in very shallow water on rocky coasts, including tide pools.

Depth: 0-2 m.

Costa Rica to Ecuador.   


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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