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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: Steindachner.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Tropical
Africa: Kwango drainage (middle Congo River basin) in Angola (Ref. 1878). Also reported from the Kunene and (upper) Zambezi systems (Ref. 13332), although presence in the latter is questionable in Ref. 120641. Presence in the Okavango (Ref. 13332) and southern Kasai (Ref. 45616) uncertain, although considered present in the southern Congo basin in Angola in Ref. 120641.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 9.0 cm TL macho / no sexado; (Ref. 3565)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 9 - 10; Espinas anales: 0; Radios blandos anales: 11 - 12. Diagnosis: body height less than head length (Ref. 3022), the latter 5.5-6 times in total length (Ref. 1878, 3022). Eye lateral, well visible from below (Ref. 1878), its diameter 3-3.66 times in head length (Ref. 1878, 3022). Dorsal fin origin behind pelvic fins (Ref. 1878, 3022). In males, snout with spine-like tubercles (Ref. 1878, 83772). Ventral profile of lower jaw slightly ventrally curved, except in the middle where it is more or less dorsally curved; more than 100 scales on lateral line; blackish grey band from the back of the head to the caudal fin (Ref. 83772). Lateral line origin curving dorsally above opercular organ, the latter not overlying the anterior lateral line (Ref. 88971). Black spot at base of pelvic and pectoral fins; 2 black spots at base of anal fin (Ref. 3022, 83772). Blackish brown spots just above and below lateral line (Ref. 83772).
Body shape (shape guide): elongated; Cross section: circular.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 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 |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |