BISMARCK — North Dakota Game and Fish fisheries biologists spend a lot of time in fall surveying district lakes and the Missouri River System in North Dakota looking for natural fish reproduction, ...

The process of vitellogenesis is fundamental to fish reproduction, involving the synthesis of vitellogenin (VTG) in the liver, its release into circulation and the subsequent uptake by developing ...

Fish make a surprising variety of noises using methods like vibrating their swim bladder or rubbing bones together.

BISMARCK, N.D. (KFYR) - Every year in September, fisheries crews set gill and framed nets at various locations on Lake Sakakawea to get an idea of natural fish reproduction, or to see how this year’s ...