Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. High altitude
Asia: endemic to Erhai Lake in Yunnan Province, China.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 35.0 cm OT ذكر/ مختلط الجنس; (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
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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: Version 2024-2)
في خطر (EN) (B1ab(v)+2ab(v)); Date assessed: 01 January 2017
استخدامات بشرية
مصائد: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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=0.00851 (0.00478 - 0.01517), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
