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 ...

Adapted to the boom-and-bust flood cycles of Southern California's rivers, the Santa Ana sucker now finds itself smack in the middle of one of the most urbanized places in North America. With its ...

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 ...