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Palaemonetes paludosus, commonly known as ghost shrimp, glass shrimp, and eastern grass shrimp, [2] [3] is a species of freshwater shrimp from the southeastern United States. [4] They can be considered a keystone species based on the services they provide to their habitat. [2] They are also popular in the domestic aquarium business. [5]
Orconectes is a genus of cave dwelling freshwater crayfish, endemic to suitable habitats in the eastern United States.Surface dwelling species, formerly categorised here, were moved to Faxonius in 2017.
Cambarus bartonii is a species of crayfish native to eastern North America, where it is called the common crayfish [3] or Appalachian brook crayfish. [2]Cambarus bartonii was the first crayfish to be described from North America, when Johan Christian Fabricius published it under the name Astacus bartonii in his 1798 work Supplementum entomologiae systematicae. [4]
Faxonius virilis is a species of crayfish known as the virile crayfish, northern crayfish, eastern crayfish, and lesser known as the lake crayfish or common crawfish. Faxonius virilis was reclassified in August 2017, and the genus was changed from Orconectes to Faxonius . [ 4 ]
The genus Cambarus is the second largest freshwater crayfish genus inhabiting the Northern Hemisphere, with only sixty fewer species than the genus Procambarus. [2] Though Cambarus are varied across species, the two terminal elements that make up the male form I gonopod form ninety degree angles with the central appendage, allowing for their identification.
From 1964 until recent years, the Hell Creek Cave crayfish was only believed to exist in the cave system that is its namesake. [9] Yet in 2005, a second population of crayfish was found in Nesbitt Spring cave in the same county. Then in 2010, a third population was discovered at an upwelling near Town Branch River in Yellville, Arkansas. These ...
Procambarus clarkii, known variously as the red swamp crayfish, Louisiana crawfish or mudbug, [3] is a species of cambarid crayfish native to freshwater bodies of northern Mexico, and southern and southeastern United States, but also introduced elsewhere (both in North America and other continents), where it is often an invasive pest.
Crayfish usually have limited home range and so they rest, digest, and eliminate their waste, most commonly in the same location each day. Feeding exposes the crayfish to risk of predation, and so feeding behaviour is often rapid and synchronised with feeding processes that reduce such risks — eat, hide, process and eliminate.