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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); ruaha: Named for the Ruaha River drainage, Tanzania, where it occurs; noun in apposition (Ref. 26644).
Eponymy: Dr Rudolf Kner (1810–1869) was an Austrian zoologist specialising in ichthyology. [...] This is a toponym referring to the Ruaha River drainage in Tanzania, the type locality. (Ref. 128868), visit book page.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
; Água doce demersal. Tropical
Africa: upper reaches of Ndembera and Idodi Rivers and middle and lower reaches of Little Ruaha River(Ruaha River basin) in Tanzania (Ref. 26644).
Tamanho / Peso / Idade
Maturidade: Lm ?  range ? - ? cm
Max length : 57.5 cm SL macho/indeterminado; (Ref. 26644)
Espinhos dorsais (total) : 0; Raios dorsais (total) : 8 - 11; Espinhos anais: 0; Raios anais : 8 - 10. Diagnosis: medium sized, robust species with short head (16.4-22.8% SL) and snout (23.3-28.2% HL); dorsal fin origin just opposite to pelvic fin origin; caudal fin shallowly forked, lobes short (112.7-126.0% TL) and rounded; longest dorsal fin ray 92.9-1333.3% HL (Ref. 26644).
Body shape (shape guide): elongated; Cross section: circular.
Maximum total length recorded is 68mm; inhabits cool quiet streams; feeds on detritus; no marked spawning period (Ref. 26644).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Seegers, L., 1995. Revision of the Kneriidae of Tanzania with description of three new Kneria species (Teleostei: Gonorhynchifromes). Ichthyol. Explor. Freshwat. 6(2):97-128. (Ref. 26644)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref. 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). |
Nível Trófico (Ref. 69278) |
2.0 ±0.00 se; based on food items. |
Vulnerabilidade da pesca (Ref. 59153) |
Moderate to high vulnerability (47 of 100). 🛈 |