Dolphins have names for one another.
18
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
The seahorse is the only fish to have a neck.
12
Lobsters have blue blood.
476