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| 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.