Ecology of Pseudomyxus capensis
 
Main Ref. Thomson, J.M., 1986
Distribution
Marine - Neritic
  • supra-littoral zone
  • littoral zone
  • sublittoral zone
Marine - Oceanic
  • epipelagic
  • mesopelagic
  • epipelagic
  • abyssopelagic
  • hadopelagic
Brackishwater
  • estuaries/lagoons/brackish seas
  • mangroves
  • marshes/swamps
Freshwater
  • rivers/streams
  • lakes/ponds
  • caves
  • exclusively in caves
Highighted items on the list are where Pseudomyxus capensis may be found.
Remarks Occur in freshwater to estuarine conditions. Breed at sea; juveniles move into estuaries and enter rivers in late winter or early spring. Feed on benthic algae and small invertebrates over muddy bottom. Changes in the feeding habits from migratory zooplankton to meiobenthos which takes place between 0.1 and 0.2 cm length, this is followed by a period when large quantities of food, mainly insects, are taken from the surface of the water; when it reached > 0.3 cm, changed feeding on microbenthos and sand (Ref. 56101). Occurs mainly in the freshwater zones of Eastern Cape rivers with small numbers in brackishwater at the head of estuaries; has an extended juvenile recruitment period; found to normally penetrate further upriver than Mugil cephalus (Ref. 74748). Opportunistic feeder, eat soft bodied insects if available (Ref. 74749). Gill-raker filaments were found in the stomach captured using seine net. Due to their thinner and more pointed snout, these species are frequently caught in the meshes of seine nets, in a gill net fashion. Mullets struggle to be free of the constricting meshes, food is often regurgitated at an early stage, subsequent gasping of oxygen would then easily cause gill-rakers, broken loose in the struggle, to be swalowed (Ref. 74739).

Substrate

Substrate Soft Bottom
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

Feeding

Feeding type plants/detritus+animals (troph. 2.2-2.79)
Feeding type ref de Moor, I.J. and M.N. Bruton, 1988
Feeding habit variable
Feeding habit ref de Moor, I.J. and M.N. Bruton, 1988
Trophic level(s)
Original sample Unfished population Remark
Estimation method Troph s.e. Troph s.e.
From diet composition
Ref.
From individual food items 2.77 0.27 Trophic level estimated from a number of food items using a randomized resampling routine.
(e.g. 346)
(e.g. cnidaria)
Entered by Sta. Iglesia, Drina on 11.16.00
Modified by Pablico, Grace Tolentino on 07.21.08
Checked by Sta. Iglesia, Drina on 06.26.01
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