Labeobarbus johnstonii (Boulenger, 1907) Recherche rapide

Attributs

  • DISTRIBUTION: Lien Faunafri
  • Common names : Parma Johnstonova / Parma sirousta (Czech), Johnstoni mokkparrak / Laisuu-pardkala / Lühisaba-mokkparrak (Estonian), Kadyakolo / Matemba / Ngumbo [Nyanja (Chichewa): Malawi], Chikasu (Swahil: Malawii), Kadyakolo / Kuju / Nkumbwa / Ngumbo (Swahili: Tanzania), Mpondo (Tumbuka: Malawi), Ngumbo (Yao: Malawi) .
  • Current distribution known : endemic to Lake Malawi and large affluent rivers, where in some areas it occurs even in headwater reaches. It is very common in the Middle Shire rapids. In the Lower Shire it occurs in the east bank tributaries flowing off the escarpment into the Elephant Marsh, but from the Ruo River downstream it is replaced by a related species (L. marequensis) .
  • Distribution_references : Eccles, 1992 .
  • Ecology : Fryer, 1959 .
  • Food habits : : some specimens have Varicorhinus-type mouths and graze on Aufwuchs on rocky shores, while others are omnivorous when adult, taking small fish, crabs, etc .
  • Genetics : Beshera et al., 2016 | Levin et al., 2017 | Tsigenopoulos et al., 2010 | Yang et al., 2015 .
  • Habitat / home range : inhabits inshore areas of the lake, but ascends rivers to breed. Found in all types of habitat and occurs in groups of about 25 individuals .
  • Habitat_references : Eccles, 1992 .
  • Migration / movement : It has permanent riverine populations and others from the lake migrate up rivers to spawn during the rainy season. They can stay in the river for several weeks into the dry season while breeding .
  • Morphology / anatomy : Tweddle & Skelton, 2008 .
  • Phylogeny : Beshera et al., 2016 | Levin et al., 2017 | Ndeda et al., 2018 | Tsigenopoulos et al., 2010 | Yang et al., 2015 .
  • Size : 500 mm SL .
  • Types :
    • Barbus globiceps Worthington, 1933 a: 303, fig. 7. Type locality: "round Lake Nyasa". Syntypes BMNH n° 1932.11.15: 275-282.
    • Barbus intermedius var. brevicauda Keilhack, 1908: 167. Type locality: "Njassasee". Holotype ZMHU n° 18.175| Boulenger, 1911 a: 64 (synonymy with B. eurystomus).
    • Barbus intermedius var. eurystomus Keilhack, 1908: 166. Type locality: "Njassasee". Lectotype ZMHU n° 18.167; this specimen is the only one of the syntypes of Barbus intermedius var. eurystomus now considered to belong to this species (Banister & Clarke, 1980: 485).
    • Barbus intermedius var. latirostris Keilhack, 1908: 166. Type locality: "höchstwahrscheinlich aus dem See oder dem Kiwira-Fluss". Syntypes (2) ZMHU n° 18.174.
    • Barbus johnstonii Boulenger, 1907 h: 488. Type locality: "Between Kondowe and Karonga, Lake Nyasa". Holotype BMNH n° 1897.6.9: 280.
    • Barbus njassae Keilhack, 1908: 165. Type locality: "Njassasee, Nordende". Holotype ZMHU n° 18.163.
    • Varicorhinus nyassensis Worthington, 1933 b: 299, fig. 4. Type locality: "Deep Bay, Monkey Bay and Mwaya, Lake Nyassa". Syntypes BMNH n° 1932.11.15: 387-392.
  • Use and trade : collected for human food at local levels .
  • Zoological_nomenclature / taxonomic information : Vreven et al., 2016 .