''Cycleptus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of freshwater fish containing two relatively large North American

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

of suckers. They are

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

to river basins draining into the

Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United S ...

, including the

Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Mis ...

Rio Grande The Rio Grande ( and ), known in Mexico as the Río Bravo del Norte or simply the Río Bravo, is one of the principal rivers (along with the Colorado River) in the southwestern United States and in northern Mexico. The length of the Rio ...

and others in the United States and Mexico.

Species

* ''

Cycleptus elongatus The blue sucker (''Cycleptus elongatus'') is a long-lived freshwater species of fish in the sucker family that is of conservation concern. The species has an average weight of 2-3 kilograms and an average length of 76 centimeters. The record lengt ...

'' ( Lesueur, 1817) (Blue sucker) * '' Cycleptus meridionalis''

Burr Burr may refer to: Places * Burr (crater), on the Jovian moon Callisto *Burr, Minnesota, an unincorporated community, United States * Burr, Missouri, an unincorporated community, United States *Burr, Nebraska, a village, United States * Burr, Sa ...

& Mayden, 1999 (Southeastern blue sucker)

References

* *
NatureServe - Cycleptus elongatus
Catostomidae Taxa named by Constantine Samuel Rafinesque {{catostomidae-stub