the main reason is thought to be that it acts as a protective mucus layer to help prevent parasites from attaching. different species use the mucus for different purposes
Fish have scales. Seals are much larger than fish and have a slippery body and a little face :)
Scaled fish have a healthy slippery slime
Yes. Click on the Slippery Dick link in the Related Links section below for more information on the fish.
An eel
Eel .
the slippery ones LOL
I think FELT
of course! it's just scaly and slippery.
slimy and slippery of course!
Eel
A slippery one.
A coating of mucous, I've been researching this and eels and bone fish are well known for this coating making them ultra slippery, I've come to the conclusion that all fish excrete mucous, please continue or correct me if u can