IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Description

  Common names: clingfish (English), chupapiedra (Espanol), chalaco (Espanol)
 
Tomicodon petersii (Garman, 1875)


Hourglass clingfish,     Peter's clingfish



Body relatively slender, elongate, head relatively slender (both viewed from above); front nostril with a small flap; upper jaw with 4-7 pairs of trifid incisors followed on each side by 1-2 well developed canines; lower jaw with 3-4 pairs of trifid incisors followed on each side by 1-2 well developed canines; anus closer to anal fin origin than to rear margin of disc; pectoral 19-21 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 7-8 rays; anal 6-7 rays; tail 8-10 rays.



White with brown reticulum, thickened in places to form a series of irregular brown "hourglass" bars across dorsal surface; flank with long spots; a prominent dark brown spot above each pectoral fin.


Size: to 4.6 cm.

Inhabits rocky shores.

Depth: 0-5 m.

Central Mexico to northern Peru, the Galapagos and Cocos
   

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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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