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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Astrocottus: Greek, astra = ray + Greek, kottos = a fish (Ref. 45335).
Eponymy: Dr Kiyomatsu Matsubara (1907–1968) was originally called Kiyomatsu Sakamoto but on marrying he took his wife’s name as the family surname. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; brackvatten bottenlevande; djupintervall 10 - 15 m (Ref. 76844). Temperate
Northwest Pacific: Japan.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 5.0 cm SL hane/ej könsbestämd; (Ref. 559)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 9; Mjukstrålar i ryggfenan (totalt) : 12; Mjukstrålar i analfenan: 11 - 12; Ryggkotor: 29 - 31. This species possess the following set of characters: slightly large head, its length 36-38% SL, depth 20-26% SL; flat interorbital space flat, relatively wide, its width 7.8-9.7% HL; basal length of anal fin 25-29% SL; pectoral-fin rays with small scales except the lowermost part; numerous small scales cover widely the ventral surface of head and trunk; no nuchal cirrus; scattered below lateral line are long filamentous cirri; D1 IX, D2 12; A 11-12 (mode 12); lateral-line scales 29-31 (mode 31); vertebrae 12 + 17-19 (mode 12 +18) = 29-31 (mode 30) (Ref. 76844).
Occurs on sandy and/or cobble bottoms (Ref. 76844).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Tsuruoka, O., S. Maruyama and M. Yabe, 2008. Revision of the Cottid Genus Astrocottus Bolin (Perciformes: Cattoidei), with the description of a new species from Northern Japan. Bull. Natl. Mus. Sci. Ser. A. Suppl. 2:25-37. (Ref. 76844)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [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).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
