The amount of sperm released decreased sharply with each mating during a single day, reducing the males' fertilization rate.

But just what are the upper limits of gamete production? For a tiny fish called the medaka (Oryzias latipes), males have a mating capacity of 19 times per day. The findings are detailed in a study ...

Researchers have recently witnessed behavior in the wild that could offer critical clues about how the endangered whale shark ...

Coyote mating season begins this month and peaks in February and March. Sightings of the furtive animals tend to increase ...

Jan. 6, 2025 — The tiny particles that shed from clothing, packaging and other plastic products are winding up in the fish that people eat, highlighting a need for technologies and strategies to ...

Observations of mating behavior in whale sharks are very ... behaviors in other species within the subclass of cartilaginous fish that the whale shark belongs to," study co-author Christine ...

Learn how through evolution, anglerfish developed a mating solution that helps them adapt to their extreme deep sea home.

Osaka Metropolitan University experts on fish behavior have recently uncovered a daily mating capacity for medaka. In findings published in Royal Society Open Science, Graduate School of Science ...

Things to do on the Galápagos Islands include spending time with local wildlife and hiking to the rim of one of the world's ...