Crayfish Anatomy

The chelipeds are the large claws that the crayfish uses for defense and to capture prey. Taxonomically they are members of the superfamilies astacoidea and parastacoidea.

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They are also known as crawfish crawdads freshwater lobsters mountain lobsters mudbugs or yabbies.

Crayfish anatomy. Crayfish specimen 4 6 plain. Edible freshwater crustacean with pincers on the two forelegs. Blood pumping organ of the crayfish.

Internal anatomy of a crayfish. A crayfish will use its antennae for touch taste and smell and its antennules for balance touch and taste. This large freshwater crayfish also called crawfish plain preserved specimen is commonly used to study arthropod anatomy.

Crayfish are freshwater crustaceans resembling small lobsters. We also find the mouth parts of the crayfish here. Sex gland of a crayfish.

Crayfish belong to the kingdom animalia which includes all organisms that must consume their food heterotrophs and are multicellular. The mandibles are the crushing jaws and two pairs of maxillae hold and tear solid food before it reaches the mouth. Some species are found in brooks and streams where fresh water is running while others thrive in swamps ditches and paddy fields.

In the abdomen the first five segments each have a pair of swimmerets which create water currents and function in reproduction. They breathe through feather like gills. Each of the four remaining segments contains a pair of walking legs.

The crayfish belongs to the phylum arthropoda which includes organisms that have an exoskeleton. Genus and species is typically procambarus clarkii. Site of the mental functions of a crayfish.

Although in some cases it may be detached from the body. All crayfish specimen will include at least one cheliped to dissect. Part of the digestive tract between the esophagus and the intestine.

Anatomy of a crayfish. Within this kingdom are subgroups known as phyla. Most crayfish cannot tolerate polluted water although some species such as.

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