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Updated: 06/12/2008  

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Perciformes  -  Labridae  -  Thalassoma  -  Thalassoma purpureum

Thalassoma purpureum

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IP: green + fine red bars, operculum -red Y
TP: blue-green + several red stripes; operculum - red Y



Thalassoma purpureum (Forsskål, 1775)

Surge wrasse

Elongate (body of large adults relatively deep (~ 36% of SL)), compressed body; 1 pair canines at front of top jaw, 1 pair on bottom, none at rear of jaws; preopercle edge smooth; dorsal fin VIII, 13; anal rays III, 11; pectoral rays 15-17; tail fin bluntly straight; lateral line unbroken, but bends abruptly down near end of soft dorsal fin; scales large (25 on lateral line), smooth; head scaleless except for a few scales on upper operculum.

Head and body green; a red V on snout before eye, 2 oblique red bars from eye down across operculum; 2 red stripes along flank; sides with thin irregular red vertical lines following scale edges; dorsal and anal green with red bands along bases;
 large males -  base color is blue-green to blue, red bars on head and 2 red stripes along side greatly intensified.

Size: 46 cm.

Habitat: wave swept rocky habitat.

Depth: 0-20 m.

An Indo-Pacific species found at Cocos, Clipperton, the Galapagos, the Gulf of Chiriqui, Panama, and around the Bat Islands, western Costa Rica.

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