Life of Sea | Crayfish | Crayfish are also called crawfish or crawdads are freshwater crustaceans resembling small lobsters, which they are associated, taxonomy, they are members of the superfamilies and Parastacoidea Astacoidea. They breathe through feather-like gills and are found in bodies of water that do not freeze to the bottom. They are mostly found in brooks and streams where there is fresh water running, and which have shelter against predators. Most lobster can not tolerate polluted water, although some species such as the invasive Procambarus clarkii more hardy. Crayfish feed on living and dead animals and plants.
In the Eastern United States, "crayfish" is more frequent in the north, while "crawdad" sounds more in the central and southwestern regions, and "crawfish" further south, although there is considerable overlap. The study of lobster called astacology
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