Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bentopelagisk; pH range: ? - 7.0; dH range: 10 - 15. Subtropical; 18°C - 24°C (Ref. 2060)
Asia: Eastern Asia and Taiwan (Ref. 41299); Russia (Ref. 53210). Introduced elsewhere. At least one country reports adverse ecological impact after introduction (Ref. 1739).
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 9.2 cm SL hane/ej könsbestämd; (Ref. 108468); common length : 5.2 cm SL hane/ej könsbestämd; (Ref. 35840)
Mjukstrålar i ryggfenan (totalt) : 13 - 14; Mjukstrålar i analfenan: 13 - 14.
Body shape (shape guide): fusiform / normal.
Found in shallow ponds and marshes of plains, and adjacent irrigation canals (Ref. 41299).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Female lays eggs inside mussels where they are fertilized by the male. Young remain in the bivalve until they can swim (Ref. 43281).
Nakabo, T., 2002. Fishes of Japan with pictorial keys to the species, English edition I. Tokai University Press, Japan, pp v-866. (Ref. 41299)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Potential pest (Ref. 6094)
Mänskliga användningsområden
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00885 - 0.01489), b=3.11 (3.06 - 3.16), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.5 ±0.2 se; based on size and trophs of closest relatives
Generation time: 1.3 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.82-2.15; Fec assumed < 100).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (16 of 100).
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