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Gonorynchiformes (Milkfishes) >
Kneriidae (Shellears)
Etymology: Kneria: From Kner, that studied fishes in the Imperial Museum of Vienna, with Jean Natterer (1817) (Ref. 45335).
Eponymy: Dr Rudolf Kner (1810–1869) was an Austrian zoologist specialising in ichthyology. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Taxonomic Remarks
Possibly a synonym of Kneria angolensis (Ref. 42110).
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
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
Africa: Cuanza (Atlantic coastal) (Ref. 1869, 120641) and (southern) Congo basin (Ref. 11970, 120641) in Angola. Also reported from the upper Lualaba in Democratic Republic of the Congo (Ref. 45616).
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 8.0 cm NG جنس نر / بدون خواص جنسي; (Ref. 45616)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 10; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 11 - 12. Diagnosis: body elongated, 5.66-6 times longer than deep (Ref. 45616). Body depth equal to head length, the latter 5.33 times in total length; eye lateral, visible from below as well as from above, its diameter 3.33 times in head length; sides and lower surface of head with conical horny tubercles; males with cupshaped apparatus on operculum, much larger than eye, and followed, on scapular region, by a large lamellar pad (18-19 lamellae) (Ref. 1869). Dorsal fin with 7 branched rays (Ref. 1880), originating well beyond vertical of base of pelvic fins (Ref. 1869, 45616). Anal fin with 8-9 branched rays (Ref. 1880). Caudal fin deeply notched, crescentic; pale brownish above, yellowish beneath, with scattered dark brown dots and a series of round blackish spots, connected by a dark brown lateral band, just above the lateral line; fins uniform whitish (Ref. 1869). A black dot at base of pelvic fins (Ref. 1880).
Body shape (shape guide): elongated; Cross section: circular.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | 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: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
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0 |
آسیبپذیری ماهیگیری (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |