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
External, like most fish.
The Stickleback - 1913 was released on: USA: 11 March 1913
Life Underwater was created on 2008-02-19.
A four-horned sculpin eats a three spined stickleback. Interesting...............................
Very , it can breathe underwater and looks like a rock so its camouflarged!
internal
yes
Sharks are made to adapt to their environment so they don't suffer int eh great colds of the water