Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Plotosidae
Etymology: Plotosus: Greek, plotos = swimming (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; freshwater; brackish; demersal. Tropical
Western Indian Ocean: Kosi Bay to Knysna in South Africa. Possibly extending to Zanzibar, Tanzania.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 51.0 cm SL male/unsexed; (Ref. 3879)
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. 123251)
CITES (Ref. 118484)
Fisheries: minor commercial; gamefish: yes
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 21.7 - 28, mean 26.9 °C (based on 388 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00197 - 0.01063), 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.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (49 of 100) .