Helcogramma kranos Fricke, 1997
Helmet triplefin

Family:  Tripterygiidae (Triplefin blennies), subfamily: Tripterygiinae
Max. size:  3.1 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 0 - 3 m
Distribution:  Western Central Pacific: Indonesia.
Diagnosis:  Dorsal spines (total): 15-17; Dorsal soft rays (total): 9-10; Anal spines: 1-1; Anal soft rays: 18-18. Description: Dorsal fin III + XII-XIV + 9-10 (usually 11); anal fin I, 18; pectoral rays 15-16; pelvic fin I, 2. Mandibular pores 3-4 + 1 + 3-4 (usually 4+1+4). In preservative, yellowish; male head black except snout and upper portion of operculum. Lacks orbital tentacle. Scaleless head, nape, and narrow portion below spinous dorsal fins. LL continuous, pored scales 18-23 (usually 20-22) (Ref. 90102).
Biology:  Adults inhabit rocky coasts to 3 m depth (Ref. 90102). 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: 06 May 2010 Ref. (130435)
Threat to humans:  harmless


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