NO SIGN: The enormous but harmless basking shark is usually spotted off the Scottish coast at this time of year, but hardly any sightings have been reported to the Marine Conservation Society so far this summer. Picture: Rex Features
The large, harmless sharks are normally a common sight off the west coast at this time of year, particularly in the outer Firth of Clyde and off Coll, Tiree and Canna.
However, the Marine Conservation Society (MCS) has received hardly any reports of sightings so far this year, and believes this could be down to the cooler-than- average sea in May.
Tiger sharks, great white sharks and bull sharks are behind most shark attacks on humans. These species live almost everywhere, are large enough that their prey is human size, are powerful enough to inflict a fatal bite and are at the top of the food chain, so they aren't afraid to attack.
It's cold outside, and although beach season is just a couple more months away, the ocean lovers among us are starting to go a little stir-crazy. Why not bridge the gap between winter and spring by binge watching some beautiful, educational, ocean documentaries on Netflix? We rounded up a few...