Once common throughout the river basin, the sucker is now reduced to less than a quarter of its former range and rare in most areas. There has been little successful natural recruitment of razorback ...

This figure depicts a common sucker-rod pump with the plunger moving inside a stationary barrel. The barrel is connected to the lower end of the tubing string, while the plunger is directly moved by ...

Smallmouth buffalo, which can live 100-plus years, are sometimes misidentified as common carp. This article originally ...