Inside a Crayfish

Muhtasim Ahsan - Period 4- Guzman

Background Information

Crayfish are freshwater Crustacean inhabitants that resemble lobsters, which they share a family with. The scientific name of a crayfish is Astacoidea. Their predators include raccoons, opossums, snakes, and muskrats. The diet of a crayfish includes shrimp pellets and minor vegetables, but they also eat tropical fish food, algea, and smaller fishes.
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Skeletal System of a Crayfish

The skeletal system of a crayfish consists of an exoskeleton, which means that the skeleton is on the outside. The heart of the crayfish is located on the dorsal side of the organism while the nerve cord runs along the ventral side.

Extra Information

  • Crawfish have the superfamilies Astacoidea and Parastacoidea
  • Crawfish are also known as crayfish
  • Crawfish have an open heart system
  • They have 3 regions in their body
  • Excretory system is green gland