Artist’s impression: The researchers believe the fish had to be side-by-side to copulate

Scientists believe they have discovered the origin of copulation.

An international team of researchers says a fish called Microbrachius dicki is the first-known animal to stop reproducing by spawning and instead mate by having sex.

The primitive bony fish, which was about 8cm long, lived in ancient lakes about 385 million years ago in what is now Scotland.

Source: BBCNews Read more

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