Many people assume fish are all the same species because they all live in water. Some newly discovered fish are predators with large teeth, which we named 'large-tooth serranchromines'." Some feed on insect larvae, others zooplankton or algae. "The new species of cichlids adapted to use all the available food resources in the lake. They discovered more than 40 new species in Lake Mweru, which formed around one million years ago.ĭr Joana Meier, an evolutionary biologist at St John's College, University of Cambridge, and lead author of the research published today (December 3 2019) in Nature Communications, said: "We found a dazzling variety of ecologically diverse new species - called radiations - that were previously unknown. The group studied 2000 fish and analysed the DNA of more than 400 cichlid fish from two freshwater lakes in East Africa. ![]() Such 'mistakes' in mate choice can lead to the evolution of new species, an international team of scientists found.
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