How did 500 species of a fish form in a lake? Dramatically different body clocks

PHYSorg
Apr 8, 2021, 12:06 pm195 pts
Animals are remarkably diverse in their sleep and activity patterns due to foraging strategies, social behavior and their desire to avoid predators. With more than 3,000 types of cichlids, these freshwater fish may just be one of the most diverse species in the world. Lake Malawi alone, which stretches 350…

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