IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Description

  Common names: clingfish (English), chupapiedra (Espanol), chalaco (Espanol)
 
Tomicodon humeralis (Gilbert, 1890)


Sonora clingfish



Body relatively slender, elongate, head relatively slender (both viewed from above); front nostril with a small flap; upper jaw with 5-7 pairs of trifid incisors at front followed on each side by 2-4 well developed canines; lower jaw with 4-5 pairs of trifid incisors followed on each side by 3-4 well developed canines; anus much closer to anal fin origin than to rear margin of disc; pectoral 17-19 rays; only a small fleshy swelling at pectoral base; sucker disc with broad patch of papillae at front, no papillae in center, 6-8 rows of papillae across rear section; dorsal 8-9 rays; anal 6-7 rays; tail 9-10 rays.



Greenish brown with narrow white bars on sides and across back; also scattered dark spots on back; a large dark blotch above each pectoral fin.

Size: attains 10 cm.

Inhabits rocky intertidal zone, reported to be capable of surviving for two days out of water if kept moist.

Depth: 0-5 m.

Western and northeastern Gulf of California.
   

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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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