gill openings

What Specialized Adaptations Do Fish Have For Their Aquatic Lifestyle?

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What Specialized Adaptations Do Fish Have For Their Aquatic Lifestyle? Fish have gills that allow them to “breathe” oxygen in water. Fish have a stream-lined body. Most fish have several fins for swimming. Fish have a system of muscles for movement. Most fish have a swim bladder. What adaptations do fish have for living in

Why Are Coelacanths Considered Swimming Fossils?

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Why Are Coelacanths Considered Swimming Fossils? The coelacanth was long considered a “living fossil” because scientists thought it was the sole remaining member of a taxon otherwise known only from fossils, with no close relations alive, and that it evolved into roughly its current form approximately 400 million years ago. Can coelacanths breathe air? Before