Threats to Biodiversity · NCERT Biology

Which of the following fish species became extinct in Lake Victoria after the introduction of the Nile Perch?

  1. Native catfish
  2. Cichlid fish
  3. Nile dogfish
  4. Tilapia species
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Correct answer: Cichlid fish

The introduction of the Nile Perch (an alien species) into Lake Victoria in East Africa led to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish.

Difficulty: Medium Question 6 of 20

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