IUCN threat status:

Least Concern (LC)

Comprehensive Description

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  Common names: blenny (English), borracho (Espanol), cachudito (Espanol), trambollito (Espanol)
Entomacrodus chiostictus (Jordan & Gilbert, 1882)

Notchfin blenny,     Rock blenny

Body very elongate; head short and blunt; snout rounded, overhanging; cirrus over front nostril, and eye cirrus with 1-10 tips (more in larger fish); 1 pair of slender cirri on nape; no fleshy crest on head; ~ 100 movable teeth on each jaw; teeth on front of roof of mouth; lower surface of top lip wrinkled at sides; gill openings broad, forming a fold across throat; gill rakers 14-20; dorsal fin with deep notch between spiny and soft parts, XIII spines, but the last one tiny and hard to see, 14-16 (usually 14-15); anal rays II, 15-17 (usually 16); pectoral rays 14; some tail fin rays branched; lateral line is a short arch over pectoral.

Olive on back, white on lower sides; a longitudinal row of square to rectangular black blotches along middle of side; upper front of body with small dark spots, all body with white spots and flecks; thin brown bars on snout, lips, and cheeks.

Size: reaches 8 cm.

Inhabits intertidal rocky reefs, including tide pools.

Depth: 0-2 m.

Central Gulf of California to Colombia, also all the offshore islands except 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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