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Gonorynchiformes (Milkfishes) >
Kneriidae (Shellears)
Etymology: thysi: Dedicated to Dirk Thys van den Audenaerde from the Royal Museum for Central Africa (Belgium), who collected the type specimens of Parakneria thysi in difficult and even dangerous circumstances (Ref. 89136).
More on author: Poll.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.. Tropical; 18°C - 22°C (Ref. 13614)
Africa: endemic to the Lufira (upper Lualaba basin) in Democratic Republic of the Congo (Ref. 2970, 89136).
Size / Weight / سن
Maturity: Lm ?  range ? - ? cm
Max length : 5.1 cm TL جنس نر / بدون خواص جنسي; (Ref. 3565)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 11; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 9; مهره ها: 39. Diagnosis: body depth 6.4-7.1 times in SL; head length 3.8-4.3 times in SL; snout rounded, its length 2.5-2.9 times in HL; eye superolateral, its diameter 5.1-5.5 times in HL, 1.4-1.7 times in interorbital distance, 1.8-2.1 times in snout length; dorsal fin origin about 1.1 times further from snout tip than from caudal fin origin; anal fin origin 1.4-1.6 times further from pelvic fin origin than from caudal fin origin; pectoral fin large, its length 4.9-5.4 times in SL, 0.7-0.9 times length of head; pelvic fin 6.4-7.1 times in SL, 1.5-1.7 times in HL; caudal peduncle 1.7-1.9 times as long as deep (Ref. 89136).
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
Poll, M., 1984. Kneriidae. p. 129-133. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3565)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).