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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 Ökologie

; süßwasser benthopelagisch. Tropical; 18°C - 22°C (Ref. 13614)

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Africa: endemic to the Lufira (upper Lualaba basin) in Democratic Republic of the Congo (Ref. 2970, 89136).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 5.1 cm TL Männchen/unbestimmt; (Ref. 3565)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 11; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 9; Wirbelzahl: 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 | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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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 Rote Liste Status (Ref. 130435)

Daten mangelhaft (DD) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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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 thysi Poll, 1965