Английская Википедия:Aphyosemion bivittatum

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Aphyosemion bivittatum (twostripe lyretail, two-banded killi, red lyretail) is a species of freshwater fish belonging to the family Aplocheilidae. It is found in rivers in southeastern Nigeria and southwestern Cameroon.[1] It was originally described as Fundulus bivittatus by Swedish zoologist Einar Lönnberg in 1895. The holotype was discovered near a waterfall in the Ndian River in Cameroon and currently is located in the Stockholm Museum.[2]

Appearance

A. bivittatum has an elongated, brightly coloured body with two dark bands made up of red spots running along each side, with the colors varying between populations.[3] Individual males are commonly found with golden-brown dorsal surfaces, bluish sides, and golden ventral surfaces.[3] The males have a maximum body length of approximately Шаблон:Convert and have brightly marked, tall and pointed anal and dorsal fins that are yellow to pastel green with red edges.[3] The caudal and dorsal fins are green with red spots and bright yellow tips.[3] It has 10–13 spines in its dorsal fin and 12–15 in its anal fin.[4]

Habitat

The species is found in small calcium rich steams in the coastal rainforests of southeastern Nigeria and southwestern Cameroon. They are benthopelagic, meaning they float just above the riverbed.[5] They prefer water with a pH of 6 to 6.5 and temperature of Шаблон:Convert.[6][1]

References

Шаблон:Reflist

External links

Шаблон:Taxonbar

  1. 1,0 1,1 Шаблон:Cite web
  2. Шаблон:Cite web
  3. 3,0 3,1 3,2 3,3 Шаблон:Cite web
  4. Шаблон:Cite journal
  5. Ошибка цитирования Неверный тег <ref>; для сносок iucn status 20 November 2021 не указан текст
  6. Шаблон:Cite book