Helcogramma striata Hansen, 1986
Tropical striped triplefin
photo by Randall, J.E.

Family:  Tripterygiidae (Triplefin blennies), subfamily: Tripterygiinae
Max. size:  4.3 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 30 m
Distribution:  Western Pacific: southern Japan to the Philippines, Australia, and the Solomon Islands.
Diagnosis:  Dorsal spines (total): 16-18; Dorsal soft rays (total): 10-12; Anal spines: 1-1; Anal soft rays: 19-21; Vertebrae: 35-38. Identified by trunk having several longitudinal stripes (Ref. 48636, 94457).
Biology:  Adults inhabit clear coastal reefs with moderate currents (Ref. 9710, 48636). Usually in small groups on sponges or reef outcrops. They feed on zooplankton (Ref. 48636). 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). Minimum depth of 0 m reported from Ref. 13227.
IUCN Red List Status: Least Concern (LC); Date assessed: 04 February 2009 Ref. (130435)
Threat to humans:  harmless
Country info:  Museum: Batanes Prov., Y'Ami I., USNM 293721. Batangas Prov., Sombrero I., Bolinao, AMS I.21915-066; Sombrero I., NE corner, USNM 230394. Negros Oriental Prov.: Dumaguete City, BPBM 28578; Ajong, USNM 221669. SE coast at Ajong, USNM 221929. Cebu I., Mactan reef, reef top 5 km N of Tambuli Beach Resort, ROM 49527; off E side, off Buyong Beach, USNM 221927 (Ref. 27223). Also Ref. 6211, 53416, 121724.


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