Enneapterygius williamsi Fricke, 1997
William's triplefin
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Family:  Tripterygiidae (Triplefin blennies), subfamily: Tripterygiinae
Max. size:  3.3 cm SL (male/unsexed)
Environment:  reef-associated; depth range 0 - 10 m
Distribution:  Western Central Pacific: Vanuatu, New Caledonia, and Tonga.
Diagnosis:  Dorsal spines (total): 14-17; Dorsal soft rays (total): 7-10; Anal spines: 1-1; Anal soft rays: 16-20. Very small supraorbital tentacle; in females, first dorsal fin shorter by half than second dorsal fin; in males, about two-thirds; male coloration dark gray with light gray mottling and a thin whitish bar below the eye; oblique suborbital blue streak observed in large males; fins translucent, mottled, and with gray spots; females comparatively pale and anteriorly bearing 2 indistinct, dark double bars that join below lateral line. Dorsal rays III + XI-XIV + 7-10; lateral line interrupted, 14-20 + 15-21; mandibular pores 2-3 + 1-2 + 2-3 (Ref. 54980).
Biology:  Adults are found on rocky shores exposed to surge (Ref.54980).
IUCN Red List Status: Least Concern (LC); Date assessed: 03 May 2010 Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 19.02.99
Modified by: Luna, Susan M. - 21.03.14

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