Did You Know?
The tongue-eating louse replaces a fish’s tongue.
This parasitic crustacean enters a fish's mouth, destroys the tongue, and then attaches itself where the tongue used to be. It then acts as a functional replacement tongue for the rest of the fish's life, feeding on blood and mucus. It's the only known parasite that functionally replaces a host organ.
Did You Know?
The horror frog breaks its own bones to create claws.
Also known as the hairy frog, this species deliberately breaks its own toe bones to create claws that...
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The sea cucumber can eject its internal organs as a defense mechanism.
When threatened, sea cucumbers can violently contract their muscles and expel their internal organs through their anus. These...
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The Antarctic blackfin icefish has clear blood.
These fish have evolved to live without hemoglobin, the protein that makes blood red and carries oxygen. Instead,...