They found that male medaka can mate 19 times per day on average. In the first three mating sessions, the medaka released ...

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

And just like that, your DIY puffer fish science balloon baking soda experiment is complete! Watch as your balloon puffer ...

The dissociative "psychedelic" drug Ketamine has shown to be helpful at relieving depression in zebrafish. The new scientific ...

Four zebrafish spent 43 days in orbit aboard the Tiangong space station, breaking records and advancing space biology. In ...

The outer ear is unique to mammals, but its evolutionary origin has remained a mystery. According to a study published in ...

A team of Japanese scientists found the scientific reason for one of the rules of thumb about the pairing between wine and food: “Red wine with red meat, white wine with fish”. In combining ...

Artificial light can wake sleeping fish and attract predators ... French Polynesia and Chile and the first large-scale experiment to investigate the impact of light pollution on the nightlife ...

New research shows that the anesthetic ketamine keeps fish from giving up — and the way it works may help figure out how it ...

In zebrafish, ketamine causes changes a brain circuit involved in "giving up." That may help explain how the drug helps ...

Researchers at the Okinawa Institute of Science and Technology ... The researchers are currently working on new experiments using this method with larger fish specimens and other vertebrates.