Cambarus is a large and diverse genus of crayfish native to the United States and Canada. These crustaceans are characterized by their varied physical traits across different species within the genus.
Adult specimens of Cambarus typically range in size from approximately 5 cm (2.0 in) to about 15 cm (5.9 in). While the user prompt suggests a location in the Philippines, the provided source material identifies Cambarus exclusively as a biological genus of crayfish found in North America.