Crayfish Anatomy

Some species are found in brooks and streams where fresh water is running while others thrive in swamps ditches and paddy fields. Genus and species is typically procambarus clarkii.

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Crayfish belong to the kingdom animalia which includes all organisms that must consume their food heterotrophs and are multicellular.

Crayfish anatomy. Although in some cases it may be detached from the body. Site of the mental functions of a crayfish. Anatomy of a crayfish.

A crayfish will use its antennae for touch taste and smell and its antennules for balance touch and taste. We also find the mouth parts of the crayfish here. Edible freshwater crustacean with pincers on the two forelegs.

The chelipeds are the large claws that the crayfish uses for defense and to capture prey. Crayfish specimen 4 6 plain. This large freshwater crayfish also called crawfish plain preserved specimen is commonly used to study arthropod anatomy.

The crayfish belongs to the phylum arthropoda which includes organisms that have an exoskeleton. They are also known as crawfish crawdads freshwater lobsters mountain lobsters mudbugs or yabbies. The mandibles are the crushing jaws and two pairs of maxillae hold and tear solid food before it reaches the mouth.

All crayfish specimen will include at least one cheliped to dissect. Crayfish are freshwater crustaceans resembling small lobsters. Internal anatomy of a crayfish.

Most crayfish cannot tolerate polluted water although some species such as. Taxonomically they are members of the superfamilies astacoidea and parastacoidea. Sex gland of a crayfish.

Part of the digestive tract between the esophagus and the intestine. Each of the four remaining segments contains a pair of walking legs. In the abdomen the first five segments each have a pair of swimmerets which create water currents and function in reproduction.

Within this kingdom are subgroups known as phyla. They breathe through feather like gills. Blood pumping organ of the crayfish.

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