Monday, September 28, 2020

Tracking shape changes in Amazon fish after major river is dammed

Biologists compared museum collections of cichlid fishes collected before a dam was closed in 1984 on the Tocantins River in the Amazon and contemporary specimens taken from the Tucuruí Reservoir by fishermen 34 years later.

from Latest Science News -- ScienceDaily https://ift.tt/2S77lQ0
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