Enneapterygius philippinus (Peters, 1868)
Minute triplefin
photo by Randall, J.E.

Family:  Tripterygiidae (Triplefin blennies), subfamily: Tripterygiinae
Max. size:  3 cm SL (male/unsexed)
Environment:  reef-associated; depth range 0 - 8 m
Distribution:  Indo-Pacific.
Diagnosis:  Dorsal spines (total): 13-16; Dorsal soft rays (total): 8-9; Anal spines: 1-1; Anal soft rays: 15-17. Pectoral-fin rays15, at least some branched; caudal peduncle without distinctive bar or marking; body without well defined bars; body, head and fins of males densely and evenly covered with melanophores, lower half of head generally darker than upper, in immature males and females less densely covered with melanophores sometimes showing indistinct oblique bars on body and anal fin; supratemporal sensory canal C-shaped, running in a curve in front of the first dorsal-fin spine; single symphysial mandibular pore present; no labial folds.
Biology:  Adults occur in tide pools; in shallow water on beach rock, brown algae and coralline algae. Apparently associated with coralline rocky shore or reef flat (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. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 09.09.98
Modified by: Luna, Susan M. - 21.03.14

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