Starfish have Armor and spines, which will naturally deter an enemy looking for a snack. They also have a chemical that's released in their skin that makes them taste awful, making predators not seek them out for food.
a sea star defend itself by hiding under rocks year around
They have spikes
its uses its skin to protect itself
A clown fish defends itself by hanging around in anemone's. The poison rubs onto their skin.
A star fish protects its self by these things they have called shape spines
A puffer fish, when threatened, will inflate itself until it is spherical to defend itself against predators.
Yes.
the quills are prickley and it makes itself look bigger.
some can it depends what kind of fish it is what it eats fish or if it gets eating by fish and what kind of fish are u talking about because it depends on the fish like what kind it is what it eats if it can defend itself and etc.
A Neon Blue Guppy doesn't really defend its self it usually hides.
They will defend their own breeding area and their fry or eggs. They will not protect or defend other fish
it can flip itself inside-out, i don't know if that helped