Phantom cave crayfish
Encyclopedia
Cambarus pecki sometimes called the phantom cave crayfish, is a species
of crayfish
in the family
Cambaridae
. It is endemic to Alabama
where it is found in three unconnected cave
s in the Tennessee River
drainage in Colbert County
, Lauderdale County
, and Morgan County
.
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 crayfish
Crayfish
Crayfish, crawfish, or crawdads – members of the superfamilies Astacoidea and Parastacoidea – are freshwater crustaceans resembling small lobsters, to which they are related...
in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Cambaridae
Cambaridae
Cambaridae is the largest of the three families of freshwater crayfish, with over 400 species. Most of the species in the family are native to North America east of the Great Divide, such as the invasive species Procambarus clarkii and Orconectes rusticus, with fewer species living in East Asia and...
. It is endemic to Alabama
Alabama
Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...
where it is found in three unconnected cave
Cave
A cave or cavern is a natural underground space large enough for a human to enter. The term applies to natural cavities some part of which is in total darkness. The word cave also includes smaller spaces like rock shelters, sea caves, and grottos.Speleology is the science of exploration and study...
s in the Tennessee River
Tennessee River
The Tennessee River is the largest tributary of the Ohio River. It is approximately 652 miles long and is located in the southeastern United States in the Tennessee Valley. The river was once popularly known as the Cherokee River, among other names...
drainage in Colbert County
Colbert County, Alabama
Colbert County is a county of the U.S. state of Alabama. Its name is in honor of brothers George and Levi Colbert, Chickasaw Indian chiefs. George Colbert operated a ferry across the Tennessee River in 1790 near present day Cherokee....
, Lauderdale County
Lauderdale County, Alabama
-2010:Whereas according to the 2010 U.S. Census Bureau:*86.4% White*10.0% Black*0.4% Native American*0.7% Asian*0.0% Native Hawaiian or Pacific Islander*1.4% Two or more races*2.2% Hispanic or Latino -2000:...
, and Morgan County
Morgan County, Alabama
Morgan County is the most populous county in the Decatur Metropolitan Area, and the second most populous county in the Huntsville-Decatur Combined Statistical Area in the U.S. State of Alabama. It was created by the Alabama Territorial legislature on February 6, 1818 from land acquired from the...
.