Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة محيطي; سمكة نهرية (Ref. 51243); نطاق العمق ? - 1642 m (Ref. 128162). Boreal; 4°C - 18°C (Ref. 2059)
Asia: Lake Baikal, Russia.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 16.0 cm TL ذكر/ مختلط الجنس; (Ref. 12480); 13.4 cm TL (female)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 7 - 9; الأشعة الظهرية الناعمة (المجموع) : 31 - 34; شوكة شرجية: 0; أشعه شرجية لينه: 32 - 36. No swim bladder (Ref. 128162),
Found beyond 1,000 m depth. Both males and females often occur on the surface. In January and February, this fish is often found at a depth range of 300-500 m, in March and April, it is found between 100-120 m. Reproduction takes place in February until March. There are indications that the females perish after spawning. The larvae stay dispersed between the surface and 500 m; they do not undergo daily migrations (Ref. 2058).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
There are indications that the females perish after spawning. The larvae stay dispersed between the surface and 500 m; they do not undergo daily migrations (Ref. 2058).
Timoshkin, O.A., 1995. Guide and key to pelagic animals of Baikal. Novosibirsk "Nauka", Siberian Publishing Firm RAS. (Ref. 12480)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00300 - 0.01523), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Generation time: 4.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.23; tmax=4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
