Teleostei (teleosts) >
Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Stichaeidae (Pricklebacks) > Stichaeinae
Etymology: Ernogrammus: Greek, ernos, -eos, -ous = bud, shoot, descendenat + Greek, gramma = letter, mark, signal (Ref. 45335); walkeri: Named for B.W. Walker (UCLA) who discovered the species.
Eponymy: Professor Dr Boyd Wallace Walker (1917–2001) was an American fisheries biologist; ultimately Professor Emeritus of Zoology-Fisheries at the University of California, Los Angeles, where he worked for over three decades (1949–1980). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 1 - 21 m (Ref. 26664). Subtropical
Eastern Central Pacific: California, USA.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 28.8 cm SL male/unsexed; (Ref. 26664)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 50 - 51; Anal spines: 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.
Body shape (shape guide): elongated.
Inhabits the littoral and sublittoral zones; apparently nocturnal and lives in rock crevices (Ref. 26664).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Follett, W.I. and D.C. Powell, 1988. Ernogrammus walkeri, a new species of prickleback (Pisces: Stichaeidae) from south-central California. Copeia 1988(1):135-152. (Ref. 26664)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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