Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Plotosidae
Etymology: Plotosus: Greek, plotos = swimming (Ref. 45335).
Environment / Climate / Range
Marine; freshwater; brackish; demersal. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 51.0 cm SL male/unsexed; (Ref. 3879)
Countries | FAO areas | Ecosystems | Occurrences | SELECT
scientificname = Plotosus nkunga
LIMIT 1Point map | Introductions | Faunafri
Western Indian Ocean: Kosi Bay to Knysna in South Africa. Possibly extending to Zanzibar, Tanzania.
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
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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 Red List Status (Ref. 96402)
CITES (Ref. 94142)
Fisheries: minor commercial; gamefish: yes
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00171 - 0.01066), b=3.08 (2.86 - 3.30), 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.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (49 of 100) .