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Sharks Spotted
Basking sharks were spotted close to es Freus by a number of sailors last week.
The protected species are no direct threat to humans and only eat plankton,
although experts have warned people not to try and approach the animals,
who, due to their sheer size, can prove dangerous to swimmers.
At least three separate pods have been discovered,
and they are not uncommon to the island.
The basking shark, Cetorhinus maximus, is the second largest living fish,
after the whale shark. It is a cosmopolitan species, which is found
in all the world's temperate oceans.
It is a slow moving and generally harmless filter feeder.
However, like other large sharks, basking sharks could, some day, be at risk
of extinction due to a combination of low resilience and overfishing
if good conservation practices are not followed.
This shark is called the basking shark because it is most often observed
when feeding at the surface and appears to be basking.
The largest specimen accurately measured was trapped in a herring net
in the Bay of Fundy, Canada in 1851. Its total length was 12.27 metres (40.3 ft),
and it weighed an estimated 19 tons, although basking sharks over 8 metres
are now extremely rare due to over-fishing.
They have few predators, but orcas and tiger sharks are known to feed on them.
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(ibiza-sun)