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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Andriashevicottus: Because of Anatoly Petrovich Andriashev, Russian naturalist, 1910 + Greek, kottos = a fish without identificaction; megacephalus: From the Greek megas meaning large, and the Greek cephale meaning head, in reference to its large head.
Eponymy: Professor Dr Anatoly Petrovich Andriyashev (1910–2009) was a Russian marine biologist. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 100 - ? m (Ref. 41742). Boreal
Northwest Pacific: known only from the holotype taken from off Simushir Island, Kuril Islands.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 23.6 cm TL hane/ej könsbestämd; (Ref. 41742)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 9; Mjukstrålar i ryggfenan (totalt) : 20; Mjukstrålar i analfenan: 13; Ryggkotor: 40. Head large; subopercle spines 4, upper one is largest, bent upward, forked; no spines and crests on occiput; scales on the head in dorsal view stretch forward along the interorbital space to the anterior margin of the eye; in lateral view, scales drop to the level of the lower posterior margin of the eye, the suborbital support and upper preopercular spine; body scales below the base of dorsal spine in the form of a band with irregular diagonal rows, in a row along the lateral line and in a spot under the pectoral fin behind the upper margin of its base. 2 nostrils; branchiostegal membranes united and free of isthmus; well developed pseudobranch; a small opening behind the 4th gill arch (Ref. 41742).
Minimum depth from Ref. 58018.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Fedorov, V.V., 1990. Andriashevicottus megacephalus gen. et sp. n. (Cottidae) from the coastal waters of the Kuril Islands. J. Ichthyol. 30(6):122-131. (Ref. 41742)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 0.8 - 3.6, mean 1.2 °C (based on 6 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00290 - 0.01252), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (14 of 100).
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