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> Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335).
Eponymy: One of the ‘heavenly twins’ in Greek mythology (see also Castor). The etymology is not explicit, but apparently so named because the author viewed this species as a ‘twin’ to Cottus gobio. (Ref. 128868), visit book page.
More on author: Günther.

Environment: milieu / climate zone / distribuzione batimetrica / distribution range Ecologia

; acqua dolce demersale; amfidromo (Ref. 51243). Temperate; 40°N - 31°N

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Mappa dei ritrovamenti | Introduzioni | Faunafri

Asia: in mountain streams of Honshu, Shikoku and Kyushu, Japan.

Length at first maturity / Size / Peso / Age

Maturità: L_m 7.4, range 6 - 9.5 cm
Max length : 15.0 cm SL maschio/sesso non determinato; (Ref. 559); Età massima riportata: 4 anni (Ref. 74384)

Bottom-dwelling fish of mountain streams.

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 23 July 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesca: di nessun interesse

FAO - Publication: search | FishSource |

Informazioni ulteriori

Trophic ecology
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Alimentazione
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Ecologia
Ecologia
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Population dynamics
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Length-weight rel.
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Life cycle
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Anatomy
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Genetica
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Human related
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Fonti Internet

Estimates based on models

Phylogenetic diversity index (Fonte Biblio. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00589 (0.00281 - 0.01234), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Fonte Biblio. 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives

Resilienza (Fonte Biblio. 120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (tm=2; Fec=200).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100). 🛈

Cottus pollux Günther, 1873