Contents | Science 384, 6694
COVER About 250 cichlid fish species have evolved in Africa’s Lake Tanganyika in less than 10 million years. Researchers have now linked exploratory behavior to niche adaptation in these fish and identified a genetic variant with a strong effect on the exploratory behavior of the species. The image depicts a male emperor cichlid (Boulengerochromis microlepis) in breeding mood performing a territorial display. See page 470. Veterinarians and researchers say it has taken too long to share data on viral