The watercress darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States where it is only known from the Black Warrior River drainage basin near Birmingham, Alabama.
The Kanawha darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the southeastern United States.
The redband darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the state of Tennessee in the eastern United States.
The spotted darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States where it occurs in the basin of the Ohio River. It inhabits fast-flowing rocky riffles of medium-sized and smaller rivers. This species can reach a length of 9 centimetres (3.5 in) TL though most only reach about 5.5 centimetres (2.2 in).
The pinewoods darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States where it is only known to occur in the Little Peedee River system in the Carolinas. It inhabits creeks, preferring gravel riffles and vegetated areas with strong currents. This species can reach a length of 7.6 centimetres (3.0 in) TL though most only reach about 5.2 centimetres (2.0 in).
Etheostoma osburni, the candy darter or finescale saddled darter, is a species of fish in the family Percidae, a member of the group known as darters. This species is endemic to the eastern United States where it is known only from the Kanawha River system in the states of Virginia and West Virginia.
The paleback darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to Arkansas, United States. It is only known to occur in the Caddo River and in Hallmans Creek, a tributary of the Ouachita River. This species inhabits headwaters and creeks where it lives in rocky, shallow pools and also in springs with plentiful vegetation growth. This species can reach a length of 6 centimetres (2.4 in) TL though most only reach about 3.9 centimetres (1.5 in).
The Bayou darter is a rare species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to western Mississippi in the United States, where it is found only in Bayou Pierre and its tributaries. Its typical habitat is fast-flowing creeks and streams, in riffles and in areas between riffles with firm gravel bottoms. It feeds on small insects and their larvae. Breeding probably takes place twice a year, in spring and late summer. The population of this fish is declining due to loss of suitable habitat. This is caused by siltation and pollution, particularly erosion caused by changes in land use. The International Union for Conservation of Nature has assessed its conservation status as being "endangered".
The boulder darter species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to Alabama and Tennessee in the United States, where it occurs in the Elk River system and Shoal Creek. It is found in small rivers and fast-flowing streams, at least 2 ft (0.6 m) deep, with boulders or a rocky base. It feeds on aquatic insect larvae but little is known of its natural history. The population trend of this fish is unknown but it is affected by a rise in siltation and the impoundment of water within its range by the building of dams. The International Union for Conservation of Nature has assessed its conservation status as being "vulnerable".
Lampsilis streckeri, the speckled pocketbook, is a species of freshwater mussel in the family Unionidae, the river mussels. It is endemic to Arkansas in the United States, where it is threatened by habitat loss. It is a federally listed endangered species of the United States.
Nothonotus microlepidum, the smallscale darter, is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the southeastern United States. It occurs in the lower Cumberland River drainage in the states of Kentucky and Tennessee. It inhabits shallow riffles with gravel substrates in small rivers. Breeding habits of the smallscale darter are typical of the E. maculatum group in that females deposit large masses of eggs on the undersides of rocks to be protected by the males. This species is a fairly large, deep-bodied fish with dark background coloration mixed with bright red spots scattered alongside the body. Nuptial males of this species also have deep green fins with orange margins on the spinous dorsal and caudal fins, with the soft dorsal fins having a dark coloration moving marginally to yellow-orangish center with black margins. This species can reach a length of 7.2 centimetres (2.8 in) TL though most only reach about 4.8 centimetres (1.9 in).
The barcheek darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States where it is only known to occur in the states of Kentucky and Tennessee in the Cumberland River drainage from the Big South Fork down to the Obey River. It is an inhabitant of smaller rivers, streams and creeks where it lives in small, rocky pools. This species can reach a length of 8.4 centimetres (3.3 in) TL though most only reach a length of 5 centimetres (2.0 in).
The rock darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the southeastern United States where it is found only in Mobile Bay drainage. It is an inhabitant of swiftly flowing riffles of creeks to medium-sized rivers. This species can reach a length of 8.3 centimetres (3.3 in) TL though most only reach about 6 centimetres (2.4 in).
Etheostoma zonale, the banded darter, is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States. It is mainly found in the Mississippi Basin, ranging from the Verdigris River in Kansas eastward to the Allegheny River in New York, and from the Minnesota River in Minnesota southward to the Ouachita River in Arkansas and the Tennessee River in Alabama. Its typical habitat in small and medium-sized rivers is riffles over cobble or gravel, rock slabs, and small boulders. It feeds on the riverbed on small insect larvae and is itself eaten by birds and larger fish. Males become more colorful and become territorial before spawning which takes place in spring. The females attach the eggs to waterweed. The population trend of this fish seems to be stable, it is a common species with numerous sub-populations over a wide range, no major threats have been identified and the International Union for Conservation of Nature has assessed its conservation status as being of "least concern".
The Cherokee darter is a rare species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to Georgia in the United States, where it is limited to the Etowah River system. It inhabits creeks with rocky bottoms and little silt, typically occurring just above and below riffles. It is a whitish or yellowish fish with green and black spots on the flanks and eight dark saddle-like bars dorsally. It has a small range and its habitat is being degraded and fragmented, and the International Union for Conservation of Nature has assessed its conservation status as being endangered.
The Cumberland darter is a rare species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to Kentucky and Tennessee in the United States, where it occurs in the upper Cumberland River tributaries above Cumberland Falls. It was federally listed as an endangered species in the US on August 9, 2011.
Etheostoma etowahae, the Etowah darter, is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is a rare species which is endemic to Georgia in the United States, where it occurs only in the Etowah River and two of its tributaries. It is a federally listed vulnerable species of the United States.
The rush darter is a rare species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to Alabama in the United States, where it occurs in three river systems. It was federally listed as an endangered species of the United States on August 9, 2011.
The Arkansas saddled darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States, where it occurs in the White River drainage in Arkansas and Missouri. It occurs in deep, fast gravel and rubble riffles of small to medium rivers. This species can reach a length of 12.0 cm (4.7 in).
The Creole darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the Eastern United States, where it occurs in the Ouachita, Red, Calcasieu and Sabine River drainages in Arkansas and Louisiana. It inhabits gravel riffles, current-swept vegetation and debris in creeks and small to medium rivers. This species can reach a length of 7.4 cm (2.9 in). The creole darter was first formally described in 1969 by Ray S. Bridsong and Leslie William Knapp with the type locality given as the Dugdemona River, Jackson Parish, Louisiana.
