It is primarily a river species but does
not occur in impoundments.
In Colorado, this small, deep-bodied fish is native to the plains reaches of the Arkansas,
Republican, Rio Grande, and South Platte river drainages.
It is primarily a river species but does
not occur in impoundments.
The red shiner is known for its high tolerance of extreme
environmental conditions and for its ability to rapidly colonize new habitats.
The species was
first introduced into waters of the Colorado River Basin in the 1930's and is now widespread and
abundant.
Breeding males are brightly colored with red and blue hues and are sometimes sold in
pet stores under the name rosysided dace.
Maximum Length: 2-3 inches (5-8 cm).
