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> Gonorynchiformes (Milkfishes) > Kneriidae (Shellears)
Etymology: More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range Ecología

; agua dulce bentopelágico. Tropical

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Africa: Ntem basin (Ref. 81636) and Dja River (middle Congo River basin) (Ref. 89136) in Cameroon, Mbini River in Equatorial Guinea (Ref. 42020), and Louetsi (=Ngounié, Ogooué tributary), Nyanga and Mouvanga Creek in Gabon (Ref. 81636). Also reported from the Itimbiri and Aruwimi (middle Congo River basin)(Ref. 106290) and the Lualaba (upper Congo River basin)(Ref. 41590) in Democratic Republic of the Congo, but these are considered questionable in Ref. 81636.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 9.2 cm SL macho / no sexado; (Ref. 81636)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 9 - 11; Espinas anales: 0; Radios blandos anales: 8 - 10; Vértebra: 39. Diagnosis: body a little depressed in front (Ref. 1878), elongate, fusiform (Ref. 81636), its depth 5.66 (Ref. 41590) - 9.1 (Ref. 1878) times in TL, 8.5-9.1 times in SL (Ref. 89112, 89136), 10.8-14.5% SL, with greatest depth at or slightly anterior to dorsal fin origin (Ref. 81636). Head broader than deep, about 1.5 times as long as broad, its length 4.5-5 times in TL (Ref. 1878), 17.2-21.7% SL (Ref. 81636). Snout rounded, about as long as postorbital part of head (Ref. 1878, 89136), 2.35-2.8 times in HL (Ref. 89136). Eye superolateral, 3.75 (Ref. 41590) - 5.75 (Ref. 89136) times in HL, 1.3-1.75 times in interorbital distance, 1.65-2.45 times in snout length (Ref. 89136). Interorbital width 28.6-45.1% HL (Ref. 81636), 3.2-3.55 times in HL (Ref. 89136). Dorsal fin 1.2-1.3 times further from snout tip than from caudal fin origin (Ref. 89136), at equal distance from eye and root of caudal (Ref. 1878). Anal fin origin 2 (Ref. 1878) - 2.4 (Ref. 89136) times as distant from root of pelvics as from root of caudal. Pectoral fin paddle shaped (Ref. 81636), very large, 4-4.75 times in SL, 0.95- 1.2 times in HL (Ref. 89136). Pelvic fin 4.85-6.25 times in SL, 1-1.35 times in HL (Ref. 89136). Caudal peduncle about 1.45 (Ref. 89136) - 1.66 (Ref. 1878) times as long as deep.

Microphagous feeder (Ref. 51193).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Parakneria cameronensis (Boulenger, 1909)