The headwater darter (''Etheostoma lawrencei'') is a species of freshwater ray-finned fish, a darter from the

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

Etheostomatinae Etheosomatidae is a species rich subfamily of freshwater ray-finned fish, the members of which are commonly known as the darters. The subfamily is part of the family Percidae which also includes the perches, ruffes and pikeperches. The family i ...

, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States where it is found in Kentucky and Tennessee in the upper

Green River Green River may refer to: Rivers Canada *Green River (British Columbia), a tributary of the Lillooet River *Green River, a tributary of the Saint John River, also known by its French name of Rivière Verte *Green River (Ontario), a tributary of ...

system down to the Mud River, in the

Cumberland River The Cumberland River is a major waterway of the Southern United States. The U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed June 8, 2011 river drains almost of southern Kentucky and ...

and upper Salt River systems. It is an inhabitant of streams up to about wide with gravel or cobble substrates. Males of this species can reach a length of SL while females only reach . The headwater darter was first formally described in 2002 by Patrick A. Ceas and Brooks M. Burr With the type locality given as Koger Creek, which is in the drainage of the Wolf River, about 0.8 kilometers northwest of Rolan, Kentucky along Kentucky Route 415 at the confluence of McIver Creek in

Clinton County Clinton County may refer to: *Counties named for George Clinton, first and third Governor of New York, and later the fourth Vice President of the United States: **Clinton County, New York **Clinton County, Ohio *Counties named for DeWitt Clinton, s ...

Etymology

The

specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...

honors the

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

ichthyologist Ichthyology is the branch of zoology devoted to the study of fish, including bony fish ( Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 33,400 species of fish had been described as of Octobe ...

Lawrence M. Page Lawrence may refer to: Education Colleges and universities * Lawrence Technological University, a university in Southfield, Michigan, United States * Lawrence University, a liberal arts university in Appleton, Wisconsin, United States Preparator ...

of the

Florida Museum of Natural History The Florida Museum of Natural History (FLMNH) is Florida's official state-sponsored and chartered natural-history museum. Its main facilities are located at 3215 Hull Road on the campus of the University of Florida in Gainesville. The main pub ...

References

Etheostoma Taxa named by Patrick A. Ceas Taxa named by Brooks M. Burr Fish described in 2002 {{Percidae-stub