Scientists have accidentally bred a new breed of hybrid fish, Sturddlefish.

According tomedia CNET, the American paddlefish and the Russian sturgeon were two fish esquenoted. However, Hungarian scientists have accidentally bred a new hybrid of two fish, sturddlefish. Most people know the Russian catfish because its eggs, whose eggs are sold as high-grade caviar. The head of the American spoon-kissed dragonfly is longer and can only be found in half of the United States. The two species are known as “fossil fish” because of their ancient lineage and slow evolution.

Scientists have accidentally bred a new breed of hybrid fish, Sturddlefish.

Unfortunately, according to the International Union for Conservation of Nature, both the python and the herring are critically endangered. Since both species are in danger of extinction, scientists are understandably curious about the artificial reproduction of the slugs and mackerel.

The researchers used the female-male contemporaries, a method of asexual reproduction, to accidentally fertilize the herring’s eggs with a spoon fulicure’s sperm. It is worth noting that hybridization succeeds. The hybrid fish hatched from their eggs and the researchers divided them into two groups. Some of the sturddlefish, which has twice as much maternal DNA, looks more like a mackerel than a spoon-kissed slug. The second group had the same amount of mother and parent DNA, and looked like an equal mix of two species.

Attila Mozs?r, a scientist from the Hungarian Institute of Fisheries and Aquaculture, and other scientists responsible for the hybridization of new fish revealed their findings in a study published this month in the scientific journal Gene. The study marks the first successful hybridization between the two species – the Acipenser gueldenstaedtii and the Polyodon spathula – as well as members of the Acipenseridae and Polyodontidae families. “We never wanted to try hybridization,” Mozs?r told the New York Times. “It’s definitely unintentional.”

While Sturddlefish provides a fascinating view of the hybridization of two species that do not necessarily mate, don’t expect large numbers of Sturddlefish fish to invade the waters any time soon. Most human-made hybrid fish like these Sturddlefish cannot reproduce in the wild.