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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Cottiusculus: Greek, kottos = a fish, diminutive; nihonkaiensis: Named for Nihonkai, the Japanese name of the Sea of Japan, which includes most of the distributional range of the species..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino demersale; distribuzione batimetrica 100 - 150 m (Ref. 83439). Temperate
Northwestern Pacific: from the Sea of Japan coasts of Hokkaido, Honshu, Kyushu and the Korean Peninsula, and Volcano Bay, Hokkaido.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.8 cm SL maschio/sesso non determinato; (Ref. 83439); 6.1 cm SL (female)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 6 - 8; Raggi dorsali molli (totale) : 11 - 13; Spine anali: 0; Raggi anali molli: 10 - 13. This species is distinguished by the following set of characters: simple or weakly bicuspid nasal spines; uppermost preopercular spine not barbed; first dorsal fin not elongated; lateral line extending past base of caudal fin, with 2 or 3 lateral line pores on caudal fin; with ventral lateral and lateral line cirri (Ref. 83439).
Usually occurs on sandy-muddy bottoms (Ref. 83439).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
Kai, Y. and T. Nakabo, 2009. Taxonomic review of the genus Cottiusculus (Cottoidei: Cottidae) with description of a new species from the sea of Japan. Ichthyol. Res. 56(3):213-226. (Ref. 83439)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).