The seahorse is the only fish to have a neck.
12
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
The elephant brain weighs about 6,000g.
274
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Ants have tiny magnetic compasses in their antennae which help them navigate.
9