Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; sötvatten; brackvatten bottenlevande; amfidrom (Ref. 51243); djupintervall 0 - 10 m (Ref. 58496). Temperate
Asia: Japan and the Russian Federation.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.8 cm TL hane/ej könsbestämd; (Ref. 2058)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 8 - 9; Mjukstrålar i ryggfenan (totalt) : 17 - 19; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 14 - 15.
Inhabits lower reaches of rivers. Larvae inhabit coastal waters. Euryhaline (Ref. 37812).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trofisk nivå (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).