IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Description

  Common names: seachub (English), chopa (Espanol)
 
Kyphosus lutescens (Jordan & Gilbert, 1882)

Revillagigedos seachub

Body oval, depth 44% of length, compressed;  small pointed head; no hump before eyes; mouth is small, horizontal and opens at the front; top jaw relatively long, reaching under pupil; the top jawbone slips partially under the under-eye bone when the mouth is closed; teeth immovable incisiform, bases set horizontally in mouth, rounded tips and a curved, hockey-stick shape; teeth on center of roof of mouth and on tongue; dorsal fin continuous, XI, 11, spines that fold down into a scaly groove, front rays of soft dorsal fin relatively high; anal rays III, 11, soft fin moderately high at front; tail fin forked; paired fins are relatively short; origin of the pelvics behind the base of the pectoral fin; scales small, thick and rough, covering the body, head (except forward of eyes) and soft portions of the median fins; scales in oblique series just below lateral line  62-72.



Color variable: dark-phase fish are uniform light grey with faint dark stripes along scale rows of flanks, opercle and lower jaw silvery, tips of jaws dusky, fins pale; yellow-phase individuals are entirely bright lemon yellow, with a dark eye; other individuals are dark variably blotched with yellow.


Size: reaches 40 cm.

Habitat: shallow rocky reefs.

Depth: 0-20 m.

Apparently restricted to the Revillagigedo Islands.
   

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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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