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> Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Oligocottus: Greek, oligos = small + Greek, kottos = a kind of fish (Ref. 45335).
More on author: Girard.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser; brackwasser demersal; standorttreu; tiefenbereich 0 - 102 m (Ref. 58496). Temperate; 66°N - 32°N

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

North Pacific: Sea of Okhotsk and the Bering Sea to Los Angeles County, USA, but records west of the Gulf of Alaska doubtful.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 8.9 cm TL Männchen/unbestimmt; (Ref. 2850)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 8 - 9; Rückenflossenweichstrahlen (insgesamt) : 16 - 18; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 12 - 14. Caudal fin rounded; .

A resident intertidal species with homing behavior (Ref. 32612), found in sheltered areas and common in tide pools (Ref. 2850). In areas with rough surf, it occurs in higher, more sheltered places (Ref. 2850). Can leave tide pools when aquatic conditions become inhospitable (Ref. 31184). Shows a tendency to return to its home pool if displaced (Ref. 6885). Breathes air when out of water (Ref. 31184).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Males clasp females with their pectoral fin and fertilizes the eggs as it is being deposited on a rock (Ref. 6885).

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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 Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien:

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 5.8 - 14, mean 9.1 °C (based on 242 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00676 (0.00300 - 0.01523), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.47 se; based on food items.

Generation time: 5.3 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (K=0.21; tm=1).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (37 of 100).

Preiskategorie (Ref. 80766): Low.

Oligocottus maculosus Girard, 1856