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
Skittles and jellybeans contain crushed insect cocoons which are used to coat the candies to give them that special shine.
9
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Cockroaches can live for 9 days after their head has been cut off.
140
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1