Movement
How many walking legs does a crayfish have?
Eight
What body structure does a crayfish use to find food?
Antennae
How does the carapace protect the crayfish?
The carapace is a hard shell that acts like a suit of armor.
How do crayfish start their life?
As an egg.
Where do crayfish live?
Freshwater environments, like ponds and lakes.
What part of the walking legs help the crayfish climb?
Joints
How do the small pincers of the front walking legs help a crayfish eat?
They pick up small bits of food.
How do crayfish use their pincers to defend themselves?
When a crayfish is scared or threatened, it raises its pincers as a warning and will use the pincers to attack.
Where do female crayfish keep their eggs?
In her tail.
1. The female crayfish has an egg pore where the eggs come out.
2. Male crayfish have 2 long swimmerets, while the rest are short; but the swimmerets on a female crayfish are all long and feathery.
Which directions do crayfish move?
Forwards and Backwards
How do the large pincers help a crayfish eat?
The large pincers help them catch food.
How does a crayfish use its tail to escape predators?
It can use its tail to zoom backwards quickly and get away from predators.
Which crayfish structure holds onto the eggs and fans water around them?
Swimmerets
What animal family do crayfish belong to? Remember: they are in the same family as lobsters and crabs.
Crustacean
How does the tail help a crayfish move?
It uses its tail like a paddle to zoom backwards.
How does a crayfish use its mouth?
A crayfish has mouth parts that are like teeth that break the food into small pieces that are easy to swallow.
Why do crayfish hide during the day and look for food at night?
If they hide during the day, they are harder for predators to find.
What are crayfish offspring?
New babies or eggs produced by a crayfish.
What does it mean when a crayfish molts?
A crayfish sheds its outer shell so it can have room to grow.