Structures of Crayfish

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Structures of Crayfish

• Crayfish have two eyes called eyestalks.
• They have two large claws called pincers. The
  claws can also be called chela.

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Structures of Crayfish

• Crayfish have four pairs of legs.
• They use their legs for walking and holding food.

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Structures of Crayfish

• They have a hard skin called an exoskeleton.
• It can be smooth or have spines, bumps or small
  hairs.
• Exoskeletons are not shells.

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Structures of Crayfish

• Crayfish have 2 big antennae.
• They also have 4 small antennae called
  antennules.
• They use them to feel, taste and smell!

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Structures of Crayfish

• Males and females are differentMales have
  bigger pincers, smaller tails and modified
  swimmerets.
• Females have an egg pore, smaller pincers, and
  longer swimmerets.

Male Crayfish Underside
Female Crayfish Underside
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Crayfish Diagram