IUCN threat status:

Not evaluated

Comprehensive Description

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Description

  Common names: durgon (English), triggerfish (English), chancho (Espanol), pejepuerco (Espanol)
 
Melichthys vidua (Richardson, 1845)


Pinktail triggerfish,     Pinktail durgon


Body an elongate oval, robust, compressed; cheeks without longitudinal grooves; distinct groove before eye and below nostril; mouth small,  opens a little above center line, with powerful jaws made up of 8 heavy, outer teeth on the upper and lower jaws, teeth uneven in size, not notched; gill opening a short slit on side before pectoral base; III dorsal spines, 1st  can be locked erect, 2nd  > ½ the size of 1st; dorsal rays III + 33-35; anal rays 28-31; pectoral rays 14- 17; anterior rays of second dorsal and anal fins moderately elevated, much longer than posterior rays; most rays of dorsal, anal and pectoral fins branched;  lateral ridges on rear of body and tail base formed by scales with low ridges; caudal fin bluntly rounded; pelvic fins externally reduced to 4 pairs of large scales encasing end of pelvis; thick leathery skin, with regularly arranged diagonal scale plates; snout completely scaled; a patch of enlarged scales immediately behind gill opening; lateral line inconspicuous.


Body and head black; dorsal and anal reddish white with thin black borders; pectoral yellowish; tail base white, outer 2/3 pink.

Size: 40 cm.

Habitat: rocky and reef.

Depth: 0-60 m.

Indo-Pacific; resident in our region; at the Revillagigedos, Clipperton, Cocos, Galapagos and western Panama.
   

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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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