Home Biology Biodiversity and Conservation General The Cichlid species of Lake Victoria were dr…
Biology Biodiversity and Conservation General Single Correct MCQ
Published on: August 21, 2026

The Cichlid species of Lake Victoria were driven to, or nearly to, extinction by the introduction of ________.

A
North American sturgeon
B
Nile perch
C
Eels
D
Bass

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The correct answer is:
B

In Lake Victoria, the introduction of the Nile perch (a large predatory fish) in the 1950s–1960s caused massive declines of native cichlid species.

This is a classic example of how alien/exotic species can reduce biodiversity and cause local extinctions.

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