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

Keep in mind that these active fish are known to jump out of the water, so keep a secure lid on your aquarium! Prized for their flashy, jewel-toned appearance, bettas are among the most popular ...

The new species has been known among aquarium hobbyists for years and kept as a pet by “several dedicated hobbyists all over ...

The “vampire”-like animals were popular aquarium pets — and a new species ... A photo collage shared on Facebook by Fish in the News shows the two new species. The left-hand photos show ...