Did you know that crayfish molt because they have to shed their hard exoskeleton and grow a new one? Watch close up filming of ' Loki' the Crayfish going through this transformation.
Crayfish, also known as crawfish, crawdads, freshwater lobsters, mountain lobsters, mudbugs or yabbies, are freshwater crustaceans resembling small lobsters, to which they are related.
They breathe through feather-like gills. Some species are found in brooks and streams where there is running fresh water, while others thrive in swamps, ditches, and paddy fields. Most crayfish cannot tolerate polluted water, although some species such as are hardier. Crayfish feed on living animals and plants, and detritus. There are about 150 crayfish species in North America, and over 540 species worldwide.
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