Most anglers will agree: Give fish some cover, and they are sure to come. This is especially true of crappie and bass in aging reservoirs where timber, brush and other natural goodies might have ...

Male spotted ratfish have true teeth on a forehead appendage used for mating. Across vertebrates, teeth share many defining traits. Regardless of their shape, size, or sharpness, they stem from the ...

Fish migration has been boosted on Afon Terrig thanks to work to reduce the impact of a man-made structure on the river. The ...

Researchers have analyzed the antibody Immunoglobulin M in rainbow trout to shed some light on why these proteins may have evolved over time. Antibodies -- proteins that are produced by our immune ...

This feature at Pinicon Ridge Park in Linn County is one of a growing number in Iowa meant to assist in aquatic migration.