2024 Author: Adelina Croftoon | [email protected]. Last modified: 2023-12-17 02:07
Sharks become more aggressive and mutate more often. Is it a consequence of ocean pollution, global warming, or something else?
In recent days, several very strange news about sharks have appeared in the world media at once. Sharks first set a record by killing people, then the fisherman caught two-headed shark, and recently the news got information about the discovery of an extremely rare shark with albinism and a one-eyed baby shark.
This albino shark was caught off the Hampshire coast near the Isle of Wight, UK. 50-year-old sailor Jason Gillespie was catching so-called soup sharks (Galeorhinus galeus) and already caught two common sharks of this species when he saw a strange white shark on the hook.
According to Gillespie, he has been fishing in these places for 30 years and has never encountered such sharks before or even heard of them. He immediately asked his partner to photograph him with an albino shark in order to obtain photographic evidence.
The white shark was about a meter long and weighed about 9 kg. After photographing, Gillespie took pity on the rare fish and decided to release it back into the water.
When he showed photographs of his find to scientists at the Institute of Marine Sciences at the University of Portsmouth, they confirmed that it is an extremely rare albinism mutation in sharks. This condition is rare because albino sharks are too noticeable for large predators and rarely live to a sexually mature state.
Biologist Sarah Marley said that the chances of catching such a shark are usually extremely small and therefore the fishermen are very lucky.
On October 10, 2020, off the coast of the Indonesian province of Maluku, fishermen pulled nets out of the water and found a large shark in them. When they cut her open to gut her, they found inside her a completely white and one-eyed Cyclops shark.
The shark was already fully formed and if it were not for the fishermen, it would have been safely born a few days later. In total, three cubs were found in the belly of the shark, but only one of them was albino and had one eye, the other two were apparently the most common, without mutations.
According to the fishermen, when they pulled the baby out of the shark, he was already dead, but it is not known whether he died a natural death or if it was influenced by the death of his mother, who was trapped in fishing nets.
Scientists suggest that with such developmental deviations, sharks could well die in the womb on their own, in any case, so far no one has found adult one-eyed sharks or at least adolescent sharks with such a mutation.
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