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Q&A Rigorous Science Meta
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Q&A How realistic are four legged aquatic animals?

On earth most of our sealife is fishlike (excluding a few other species such as squid/octopus). As far as I'm aware there are no legged creatures which live solely in the sea. In my world I'd like...

4 answers  ·  posted 10y ago by Liath‭  ·  last activity 10y ago by Liath‭

Question evolution water creature-design underwater