As a fish swims through water, the dorsal fin stabilizes it and keeps it from rolling over. But over time, many fish have ...

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They found different ecological niches in these freshwater ... It has many of the rods that are very characteristic of lobe-finned fish fins. The fin is rather large, about the size of a tennis ...

Fish come in so many different shapes and sizes ... Fish – A fish is a cold-blooded vertebrate that has fins and a tail, and which uses gills to breathe underwater. Freshwater – Water which ...

Growing up in Spain, Cecilia Huertas Cerdeira was captivated by the elegant movements of aquatic life during frequent ...