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, ...

Polar fish experience lower mortality than tropical fish, allowing them to delay reproduction until later in life when they are larger and can produce more eggs, according to a study by Mariana ...

In this segment of “North Dakota Outdoors,” host Mike Anderson takes us to Lake Sakakawea during this year’s fall fish reproduction survey. Fisheries supervisor Russ Kinzler says this year’s fall fish ...

Contrary to what is stated in biology textbooks, the growth of fish doesn’t slow down when and because they start spawning. In fact, their growth accelerates after they reproduce, according to a new ...

Fish are the most diverse group of vertebrates, ranging from tiny gobies and zebrafish to gigantic tunas and whale sharks. They provide vital sustenance to billions of people worldwide via fisheries ...

ATLANTA — Scientists and students embarking on a census of Georgia lake sturgeon have found three females with mature eggs — an indication the armored “living fossils” may be reproducing in that state ...

A consistent metabolic ratio found across 133 Chinese marine and freshwater fish species provides new evidence in support of the idea that fish become sexually active – and spawn for the first time – ...