Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Temperate; 10°C - 23°C (Ref. 12468)
Asia: Japan and Korea.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm SL hane/ej könsbestämd; (Ref. 559)
Prefers clear, slow currents of the middle reaches of rivers. Feeds on aquatic insects and small fishes. Lays eggs on water plants in May and June. Eggs and fry are guarded by the male.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | 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)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00502 - 0.02505), b=3.04 (2.85 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.8 ±0.62 se; based on food items.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).