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egg, baby fish ..........
No. Not only are they biologically impossible, but the body shape of a mermaid is so poorly-suited for life underwater that they would soon die out if they ever had existed.
They have various body shapes but those most suited to underwater living look like whales and dolphins.
The Stickleback - 1915 was released on: USA: April 1915
Life Underwater was created on 2008-02-19.
The Stickleback - 1913 was released on: USA: 11 March 1913
External, like most fish.
Very , it can breathe underwater and looks like a rock so its camouflarged!
A four-horned sculpin eats a three spined stickleback. Interesting...............................
Sharks are made to adapt to their environment so they don't suffer int eh great colds of the water
Plants from the division Magnoliophyta are well suited for desert life.
internal