Actinopteri (ray-finned fishes) > Perciformes/Cottoidei
(Sculpins) > Cottidae
Etymology: Oligocottus: Greek, oligos = small + Greek, kottos = a kind of fish (Ref. 45335); snyderi: Named after John Otterbein Snyder, U.S. ichthyologist (Ref. 6885).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; non-migratory; depth range 0 - ? m. Subtropical; 59°N -
Eastern Pacific: Sitka, southeastern Alaska to Rio Socorro, northern Baja California, Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.9 cm TL male/unsexed; (Ref. 2850); max. reported age: 3.00 years (Ref. 56049)
A resident intertidal species with homing behavior (Ref. 32612) found in shallow rocky areas (Ref. 2850). Commonly found in tide pools, often in algae (Ref. 2850). Can leave tide pools when aquatic conditions become inhospitable (Ref. 31184). Breathes air when out of water (Ref. 31184).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 125652)
Threat to humans
Estimates based on models
Preferred temperature (Ref. 115969
): 8.9 - 17.4, mean 10.8 °C (based on 349 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00810 - 0.02351), b=3.25 (3.10 - 3.40), in cm total length, based on LWR estimates for species & Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.2 se; based on diet studies.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (tm=0.75; tmax=3).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (15 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .