Palaemonias
Encyclopedia
The genus Palaemonias comprises two species
of endangered
, albinistic
, obligate cave shrimp
:
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of endangered
Endangered species
An endangered species is a population of organisms which is at risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters...
, albinistic
Albinism
Albinism is a congenital disorder characterized by the complete or partial absence of pigment in the skin, hair and eyes due to absence or defect of an enzyme involved in the production of melanin...
, obligate cave shrimp
Shrimp
Shrimp are swimming, decapod crustaceans classified in the infraorder Caridea, found widely around the world in both fresh and salt water. Adult shrimp are filter feeding benthic animals living close to the bottom. They can live in schools and can swim rapidly backwards. Shrimp are an important...
:
- Alabama cave shrimpAlabama cave shrimpThe Alabama cave shrimp, Palaemonias alabamae, is a species of shrimp in the family Atyidae, found only in caves in the state of Alabama.-Conservation status:...
– Palaemonias alabamae Smalley, 1961 - Kentucky cave shrimpKentucky cave shrimpThe Kentucky cave shrimp, Palaemonias ganteri, is an eyeless, troglobite shrimp. It lives in caves in Barren County, Edmonson County, Hart County and Warren County, Kentucky...
– Palaemonias ganteri Hay, 1901