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Faxonius shoupi, the Nashville crayfish, is a freshwater crustacean native to the Mill Creek Basin in Nashville, Tennessee. [2] Prior to August 2017, the species was called Orconectes shoupi . [ 4 ] Faxonius shoupi is protected under the Endangered Species Act (ESA) as an endangered species.
Gestation of the eggs takes about nine months, with females carrying the eggs on their tail through winter. After hatching in mid-summer, the hatchlings of about 6 millimetres (0.24 in) attach to the female's swimming legs and will remain with the mother until a few months later in autumn.
Female crayfish enter a secluded and secure place to release eggs and attach them to their swimmerets, at which point they are referred to as "in berry". Female crawfish will hold the eggs and the young until their second molt, they have been found with eggs and young during the months of May and June.
The crayfish then reproduce for the first time during the "midsummer of the third or fourth year." The Guyandotte River crayfish are an egg-laying species. [4] After their first time reproducing, they continue to mate annually until their death. Eggs are typically laid in the late summer or fall, and then hatch in the spring. [4]
Crayfish can be cooked more humanely by first freezing them unconscious for a few hours, then destroying the central nervous system along their abdomen by cutting the crayfish lengthwise with a long knife down the center of the crayfish before cooking it. [47] Global crayfish production is centered in Asia, primarily China.
The common yabby (Cherax destructor) is an Australian freshwater crustacean in the Parastacidae family.It is listed as a vulnerable species [1] of crayfish by the International Union for Conservation of Nature (IUCN), though the wild yabby populations remain strong, and have expanded into new habitats created by reservoirs and farm dams.
Faxonius obscurus is a species of crayfish in the family Cambaridae. It is native to the northeastern United States, where it occurs in Maryland, New York, Ohio, Pennsylvania, Virginia, and West Virginia. It is an introduced species in adjacent regions, including Massachusetts, Vermont, and Ontario in Canada. [1]
It is commonly called crayfish in Australia and New Zealand and kōura in Māori. [3] They resemble lobsters , but lack the large characteristic pincers on the first pair of walking legs. Spiny rock lobsters are carnivorous , leaving their rock cover to venture out to feed during the night.