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 ...

A new study by the Shedd Aquarium has found that the Chicago River system continues to recover from pollution, as evidenced by the fish species that have been spawning in the river system. A report on ...

A new study provides the first detailed documentation of a shallow-water fish diving 450 feet deep to spawn. Uncovering this very rare spawning behavior in bonefish (Albula vulpes) is unprecedented.

For the first time, a mackerel tuna—also known as “kawakawa” and “tulingan” in the Philippines, long considered nearly ...

A new study examining fishes’ reactions to heat at different stages of their life process has revealed that warming waters could impede reproduction in up to 60% of species. Saltwater and freshwater ...

Striped bass can’t get a break, it seems. With their East Coast population in decline from overfishing, the migratory species had mixed success reproducing in the Chesapeake Bay this year, surveys ...

"Maturation and spawning appear to be induced when the supply of oxygen relative to the weight of individual fish declines. Thus, growing fish gradually become oxygen-limited, and there is a threshold ...

You know it’s fall in the Ozarks when leaves start to turn color, temperatures start to cool… and brown trout start to leap upstream out of Lake Taneycomo. Odd though it may sound, “leap” — not swim — ...

Salmon born in captivity become domesticated in as little as one generation, a new study finds, explaining why hatchery-born fish don't do as well as wild-born ones in Oregon rivers. Researchers ...

SOUTH LAKE TAHOE, Calif. – On Nov. 3, 2023, the U.S. Forestry Service temporarily interrupted the water flow to Taylor Creek from the Fallen Leaf Lake dam for three days. This raised concern from ...