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> Siluriformes (Catfishes) > Plotosidae (Eeltail catfishes)
Etymology: Plotosus: Greek, plotos = swimming (Ref. 45335).

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

seewasser; süßwasser; brackwasser demersal. Tropical

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Western Indian Ocean: Kosi Bay to Knysna in South Africa. Possibly extending to Zanzibar, Tanzania.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 51.0 cm SL Männchen/unbestimmt; (Ref. 3879)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 1; Rückenflossenweichstrahlen (insgesamt) : 4; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 88 - 109. Preserved specimens brown or grey above, lighter brown or whitish below; 2 faint, longitudinal stripes sometimes present on body but not extending onto head (Ref. 3977).

Found in estuaries and along open coasts. Enters freshwaters of South Africa (Ref. 3879). Feeds mainly on benthic invertebrates (Ref. 3478).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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Taylor, W.R. and J.R. Gomon, 1986. Plotosidae. p. 160-162. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISBN, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 3879)

IUCN Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Venomous (Ref. 4537)

Nutzung durch Menschen

Fischereien: weniger kommerziell; Sportfisch: ja

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 21.7 - 28, mean 26.9 °C (based on 388 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00457 (0.00199 - 0.01049), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.5 ±0.37 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (45 of 100).

Preiskategorie (Ref. 80766): Low.

Plotosus nkunga Gomon & Taylor, 1982