Enneapterygius rhothion Fricke, 1997
Surf Triplefin

Family:  Tripterygiidae (Triplefin blennies), subfamily: Tripterygiinae
Max. size:  3.7 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 15 m
Distribution:  Western Central Pacific: New Caledonia and Vanuatu.
Diagnosis:  Dorsal spines (total): 14-17; Dorsal soft rays (total): 7-10; Anal spines: 1-1; Anal soft rays: 17-21. Small supraorbital tentacle; first dorsal fin shorter by 50% than second dorsal fin; females translucent pale gray to white with red or dark brown double bars on body; an oblique, red to dark brown band from upper lip to eye; a red or dark brown blotch on opercle and pectoral-fin base; transparent median fins with red rays; males red with faint, dark brown bars; chest and lower half of head dark gray with scattered black spots almost as large as pupil. Dorsal rays III + XI-XIV + 7-10; lateral line interrupted, 14-18 + 16-20; mandibular pores 4-5 + 2 + 4-5 (Ref. 54980).
Biology:  Adults are found in shallow waters, surge channels and tidal pools around fringing reefs where wave action is high; some found in the big surf, oxygen-rich habitat (Ref. 27223). Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites (Ref. 240). Larvae are planktonic which occur primarily in shallow, nearshore waters (Ref. 94114).
IUCN Red List Status: Least Concern (LC); Date assessed: 03 May 2010 Ref. (130435)
Threat to humans:  harmless


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