How do camels catch their prey?

In the wild, they'll wander around eating grasses, leaves and fine branches from trees and shrubs.

Domesticated ones will be fed by their keepers.
by looking for it and then chewing it
If it's in a stable, humans will bring it to them. If it's out in nature the camel will wander around looking for edible plants to eat.
Camels have humps in which they store fats, if they cannot find food anywhere they use the fat stored in their humps to survive.