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Zebra Danio Study Shows How Fish Evolved Limbs

Zebra Danio Study Shows How Fish Evolved Limbs Due to a recent study with the Zebra Danio, scientists are one step closer to figuring out how fish evolved limbs and took their first steps on land. Zebra Danios are a popular freshwater aquarium fish because of their: abundant energy general hardiness inexpensive price tag Developmental biologists (biologists who study the …