Ernogrammus walkeri Follett & Powell, 1988
Masked prickleback
photo by Bauder, C.

Family:  Stichaeidae (Pricklebacks), subfamily: Stichaeinae
Max. size:  28.8 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 1 - 21 m
Distribution:  Eastern Central Pacific: California, USA.
Diagnosis:  Dorsal spines (total): 50-51; Anal spines: 2-2; Anal soft rays: 31-33; Vertebrae: 53-55. Tubule processes of the lateral line canals are inclined irregularly, postdorsally, and postventrally; unbanded pectorals; branchiostegal membrane separate from isthmus.
Biology:  Inhabits the littoral and sublittoral zones; apparently nocturnal and lives in rock crevices (Ref. 26664).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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