It protects the crayfish from predators
They are different because crayfish have pincers but birds do not.
they have 2 i think
They use to fight hold and catch food
If you mean eat then crayfish(crawfish) will try to eat them. they will pinch them with their pincers.
The chelipeds, mandibles, mazillae, and mazillipeds
Crayfish live in the water, dragonflies dont. crayfish have pincers & gills, dragonflies dont. Dragonflies have wings, crayfish dont. dragonflies start life a a larvae, crayfish dont.
All forms of crustaceans (crabs) have pincers to catch their prey/food. They clamp their pincers around the victim to stop them from getting away before they begin eating them. Sounds gruesome doesn't it? LOL. But seriously, that's what they use their pincers for, no kidding.
Crayfish have developed eyes on short stems that help them see their environment. They have adapted to blend in with their surroundings and have pincers to help them defend themselves.
'Pincer' is singular and 'pincers' usually is used for a set of two pincers; a pair.
A crayfish doesn't really have to use too much conniving to capture its prey, as it will just eat anything that doesn't get out of the way fast enough. The crayfish will grab food with its pincers and eat the food.
A pair of pincers is a tool used to pull out nails from wood. Once the nail is gripped, the round shape of the head of the pincers allows the pincers to be used to lever up the nail.
A horse farrier uses pincers to pull out the old nails in the horseshoe. Pincers are a type of pliers used for pulling out nails.