The seahorse is the only fish to have a neck.
12
The head of a jellyfish is called the "Bell."
6
There are approximately three chickens for every human on Earth.
13
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
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6