Zoology Museum

Post Graduates and Research Department of Zoology, V.O. Chidambaram College, Tuticorin 628 008 Tamil Nadu

Pi250 Cheilinus trilobatus (Tripletail wrasse)

Pi250                                                Cheilinus trilobatus (Tripletail wrasse)

 

Phylum            : Chordata

Class                : Teleostei

Order               : Eupercaria

Family             : Labridae

Genus              : Cheilinus

Species             : Cheilinus trilobatus


Description:

         Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 8. This species is distinguished by the following characters: body moderately deep, its depth 2.3-2.6 times in standard length; dorsal profile of head convex; anterior tip of snout forming an acute angle; jaws prominent, 2 strong canines situated anteriorly in each jaw; no enlarged tooth present of rear of upper jaw. pelvic fins long, reaching anus in small fish, well beyond in adults; centre of caudal fin rounded in adults, with the upper and lower rays forming elongate lobes giving the fin a trilobed appearance; lateral line interrupted below posterior portion of dorsal-fin base, with a total of 22-23 pored scales; scales reaching well onto bases of dorsal and anal fins; scales in front of dorsal fin extending forward to above centre of eye; cheek and opercle scaly; lower jaw without scales. Colour of the body variably pigmented from green to brown with mottled purple and red markings; 4 vertical dark bars on body that are often indistinct on large individuals; head with numerous small red spots; red lines radiating from anterior and posterior of eye; scales on sides each with a vertical, slightly curved red line; dorsal, anal, and pectoral fins yellow or green with distal red streaks; caudal fin green with a red posterior margin; juveniles with 3-4 dark spots midlaterally on sides and more prominent dark bars.

 

IUCN Status: Least concern

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