The answer is, of course, the Hagfish.
There are plenty of other correct answers, but the Hagfish is the legendary one, producing several times the volume of its own body in slime in seconds.
Frog, Eel, Slugfangtooth
An indestructible creature in Magic: The Gathering can protect itself from a board wipe effect by having abilities that grant it protection from certain types of spells or effects, or by being able to regenerate or return from the graveyard. Additionally, having a way to give the creature hexproof or shroud can also help protect it from being targeted by board wipe effects.
The numbat is a small and completely defenceless creature which can only protect itself by hiding in hollow logs.
Yes it does. It absorbs the UV rays within itself.
The body naturally produces endorphins, which are opiate-type substances (and bind to the same receptors that opiates do).
how do young protect itself
how does 'what' protect itself.
A blackbrid can protect itself from danger by
The opossum protect itself by playing dead.
how dose the milkfish protect itself
Pig protect itself by hiding
A creature with protection against a specific color can effectively defend itself against a creature with trample by blocking the trampling creature with the protected creature. Since the protected creature cannot be damaged by the trampling creature due to its protection, the trampling creature's excess damage will not be able to go through to the defending player.