Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. High altitude
Asia: endemic to Erhai Lake in Yunnan Province, China.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 35.0 cm OT hane/ej könsbestämd; (Ref. 26563)
Body gray or yellowish black, top of body black and white on abdomen; scales on upper sides of body with markedly black spots. Barbels 1 or 2 pairs and rostral one degenerated or less developed.
Inhabits lake (Ref. 26563). Length type refers to body length (Ref. 26563). Stays in the open water area of the lake. Feeds mainly on zoobenthos, insect larva and plants. Spawning period from March to April. Local people call it "Chun-Yu" (spring fish), as it spawns early (Ref. 45563).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Hwang, H.C., I.Y. Chen and P.C. Yueh, 1988. The freshwater fishes of China in colored illustrations. Vol. 2. Shanghai Sciences and Technology Press, Shanghai, China. 201 p. (Ref. 26563)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell
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=0.00603 (0.00254 - 0.01427), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±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 to moderate vulnerability (26 of 100).
