''Faxonius peruncus'', the Big Creek crayfish, is a species of
crayfish
Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, crawdaddies, crawdads, freshwater lobsters, mountain lobsters, rock lobsters, mu ...
in the family
Cambaridae. It is
endemic to
Missouri.
The
common name
In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often contrast ...
refers to
Big Creek Big Creek may refer to:
In Australia
* Big Creek, Tasmania, a tributary of the Inglis River in Tasmania, Australia In Belize
* Big Creek, Belize, a sea port in Belize
In Canada
* Big Creek (British Columbia), a tributary of the Chilcotin River
* ...
, where the original specimens were found.
Distribution
''F. peruncus'' is limited to the
St. Francis River
The St. Francis River is a tributary of the Mississippi River, about long, in southeastern Missouri and northeastern Arkansas in the United States. The river drains a mostly rural area and forms part of the Missouri-Arkansas state line along the ...
watershed.
[
]
Threats
The main threat to this species is a related species, '' F. hylas'' which was introduced into the area in 1984. ''F. hylas'' out-competes, and hybridises with, ''F. peruncus''. Also, pollution from the Southeast Missouri Lead District affects the water quality in the local area.
References
External links
Cambaridae
Fauna of the United States
Endemic fauna of Missouri
Freshwater crustaceans of North America
Crustaceans described in 1931
Taxobox binomials not recognized by IUCN
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