For any animal, releasing sperm cells requires a bit of time and energy. Using up so much energy can keep them from the other ...

For a tiny fish called the medaka (Oryzias latipes), males have a mating capacity of 19 times ... Most fish species mate using external fertilization. The female will deposit eggs outside of ...

Fish don’t reproduce traditionally. In fact, these creatures have developed a variety of reproductive ... where they develop into larvae. How Do Fish Reproduce in Aquariums?

Like any other animal, fish have a lot to say. Unlike the other pets in your home, however, their way of communicating is not ...

Different creatures have ... to mate 19 times per day. The team was most interested in the amount and quality of the sperm after each of these matings. During the first three matings, the fish ...

The designs were found 80 feet deep, making them unlikely to have been ... s time to mate, he begins to build an elaborate sand structure on the ocean floor. Although the male fish are only ...