20.10 | 21:08
The first sexual acts for procreation was used armored fishes. The researchers emphasize that these fish were the first animals in the story ceases to multiplication by a spawning and have turned to the sexual intercourse.
The first fish, to know the sex, became Microbrachius dicki, living 385 million years ago in the lakes of the current Scotland. Its length is only 8 inches. The males of this fish had L-shaped appendages, which were later named by scientists genitals.
An interesting fact is that during the evolution of fish returned to spawn again. After this intercourse was born again in sharks and rays, but it took a few million years.
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