Helcogramma ascensionis Lubbock, 1980
Ascension triplefin

Family:  Tripterygiidae (Triplefin blennies), subfamily: Tripterygiinae
Max. size:  3.53 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 1 - 2 m
Distribution:  Southeast Atlantic: Ascension.
Diagnosis:  Dorsal spines (total): 16-17; Dorsal soft rays (total): 10-11; Anal spines: 1-1; Anal soft rays: 18-20. This species is distinguished by the following characters: A 18-20; scales in the transverse series 12-14 + 1 + 9-10; no scales from head, nape, belly, pectoral base and area immediately adjacent to bases of first dorsal and anal fins; maxilla reaching posteriorly to below pupil; eye diameter 7.4 -8.9% of SL; head length 29.2-32.4% of S.L.; first dorsal spine 7.8-8.7% of S.L.; and its colouration (Ref. 86997).
Biology:  Inhabits large rockpools (4 m diameter) and among rocks covered in coralline algae at 2 m depth (Ref. 86997).
IUCN Red List Status: Least Concern (LC); Date assessed: 05 May 2010 Ref. (130435)
Threat to humans:  harmless


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