A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
The head of a jellyfish is called the "Bell."
6
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A group of pugs is called a grumble.
10