We’ve all heard the phrase, “a fish out of water,” but these fish take it literally. As you can see in this YouTube video, splash tetras lay their eggs on a leaf overhanging the water. Only 1% of the ...

The Michigan Department of Natural Resources recently collected nearly 6.5 million wild coho salmon eggs in less than three weeks. The coho salmon eggs were collected from Oct. 15 to Nov. 1 at the ...

Some species of fish can evolve their egg-laying habits in response to predators in the area in order to survive, according to new research. Some species of fish can evolve their egg-laying habits in ...

About a dozen people stood in a pool at the Spokane Hatchery on Monday, sifting through a couple of thousand female rainbow trout. They picked up each fish and gave a light squeeze. If the squeeze ...

Researchers have uncovered a previously unknown yet crucial role for thyrotropin-releasing hormone (Trh) in zebrafish hatching and reveal how this hormone activates a transient neuroendocrine circuit ...

This article was originally featured on Hakai Magazine, an online publication about science and society in coastal ecosystems. Read more stories like this at hakaimagazine.com. Existing in a seemingly ...