Kneria auriculata (Pellegrin, 1905) Recherche rapide

Attributs

  • DISTRIBUTION: Lien Faunafri
  • Breathing / respiration : has been reported to breathe air and to climb over damp rocks and up the sides of waterfalls during migrations .
  • Colour pattern : Marshall, 2011 | Skelton, 1993b | Skelton, 2001 .
  • Common names : Suidelike skulp-oortjie / Suidelike skulpoortjie (Afrikaans), Knérie splhava (Czech), Airbreathing shellear / Southern kneria (English), Korvukkneeria (Estonian) .
  • Current distribution known : most mountain and plateau tributaries of the Zambezi, Pungwe, Buzi, Sabi/Save and Runde/Lundi rivers in Zimbabwe, Zambia and Mozambique. Also in the upper Congo River basin (Lualaba, upper Lualaba, Lake Mweru and Luapula) in Democratic Republic of the Congo and Zambia. A relict southern pocket occurs in the Crocodile (Incomati system), Transvaal. Identity of specimens from the Kafue and upper Zambezi requires confirmation | most mountain and plateau tributaries of the Zambezi, Pungwe, Buzi, Sabi/Save and Runde/Lundi rivers in Zimbabwe, Zambia and Mozambique. Also in the upper Congo River basin (Lualaba, upper Lualaba, Lake Mweru and Luapula) in Democratic Republic of the Congo and Zambia. A relict southern pocket occurs in the Crocodile (Incomati system), Transvaal. Identity of specimens from the Kafue and upper Zambezi requires confirmation .
  • Distribution_references : Marshall, 2011 | Skelton, 1993b | Skelton, 2001 .
  • Food habits : scrapes diatoms, algae, and detritus from rock surfaces and also takes small aquatic insects such as mayfly nymphs and midge larvae .
  • Food habits_references : Kleynhans, 1988 | Marshall, 2011 | Skelton, 1993b | Skelton, 2001 .
  • Habitat / home range : usually found in small headwater streams with fast water associated with rapids and a boulder stream floor, with or without aquatic vegetation. Shoals occur in pools of small, clear, silt-free, rocky streams; reported to breathe air and to climb over damp rocks and up the sides of waterfalls during migrations. Can tolerate living out of the water for a long time if conditions are damp .
  • Habitat_references : Kleynhans, 1988 | Marshall, 2011 | Skelton, 1993b | Skelton, 2001 .
  • Morphology / anatomy : Giltay, 1934 | Marshall, 2011 | Poll, 1933 a | Skelton, 1993b | Skelton, 2001 .
  • Reproduction : matures after a year; breeds in spring and summer, larger females bear up to 600 eggs. Moves on to flooded grasslands and breeding appears to be correlated with the start and ending of the rainy season; possibly exhibits multiple spawning over a prolonged breeding season. Males and females have been observed swimming together, apparently joined side by side by means of the males' opercular disc .
  • Reproduction_references : Kleynhans, 1988 | Marshall, 2011 | Skelton, 1993b | Skelton, 2001 .
  • Size : 70 mm FL .
  • Types :
    • Xenopomichthys auriculatus Pellegrin, 1905 b: 145. Type locality: "Rivière de Muza, Mozambique". Lectotype MNHN n° 1905-119 (selected by Poll in 1965); paralecotypes (2) MNHN n° B-2554 and (2) MRAC n° 154.710 to 154.711.
  • Use and trade : potential aquarium fish .