The most effective way that a cricket defends itself from other crickets is by making intimidating chirping sounds. They do this and the other males will stay away from them.
They spit at their enemies.
cold temperature
the wasp stings the enemies.
with their horns
sup
hop away from enemies:)
it swimm fast
they saw denzel
By corallite and nematocyst .
Camouflage
pray
pray