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Freevoulous t1_isnqztk wrote

Aside from all these great responses, I would also add that there are few species of fish that simply can crawl out of the water and reach another body of water on their own.

Eels are notorious for it, but some species of catfish can do that too.

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SmootZ10 t1_isp8m72 wrote

Some catfish also can burrow to put her places, obviously not far and the conditions have to be just right.

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