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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 Ecologie

marien; brak water demersaal; standvastig; diepte 0 - 102 m (Ref. 58496). Temperate; 66°N - 32°N

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

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 8.9 cm TL mannelijk / geslacht onbekend; (Ref. 2850)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 8 - 9; Dorsale zachte stralen (totaal) : 16 - 18; Anale stekels: 0; Anale zachte stralen: 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).

Levenscyclus en paargedrag Maturities | Voortplanting | 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).

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet geëvalueerd

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij:

FAO - Publication: search | FishSource |

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Estimates based on models

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

Fylogenetische diversiteitsindex (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).

Trofisch niveau (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.

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=0.21; tm=1).

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

Prijsklasse (Ref. 80766): Low.

Oligocottus maculosus Girard, 1856