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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. [46] Global crayfish production is centered in Asia, primarily China.
By May, most eggs will have hatched and the babies stay attached to their mother for a short duration before separating and becoming a free-willed organism P. fortis is nocturnal and remain idle behind cover for the majority of the day. They begin to leave their cover only when it is night and light is scarce.
The eggs hatch in October or November, and the juveniles are independent by January. [1] The fish Channa maculata is an invasive species in parts of Madagascar, and it is known to feed on young crayfish. [1] Astacoides is also harvested by local people, often before the crayfish are able to reach reproductive age. [1]
Procambarus zonangulus, the white river crawfish, [4] white river crayfish [5] or southern white river crayfish, [1] [6] is a species of freshwater crayfish. It is a distinct but closely related species from Procambarus acutus , which is also known as white river crayfish and has a wider range.