People going to the beaches on the Cornish coast are being advised to be careful of the Lion's Mane jelly fish. The fish has a very toxic sting and it can lead to paralysis, suffocation and cardiac arrest. This is the largest known species of the jelly fish and is normally found in the north region of the Arctic and Pacific Ocean.  

But a large number of these have moved to the Cornish coast due to the great number of plankton. Many sea divers and beach goers have already been alarmed by the large number of jelly fish. People are also reporting to have seen the small and rare variety of blue jellyfish. This species also has a dangerous sting.

The cold weather is being blamed for jelly fish being found in the Cornish waters. The abundant number of plankton has also attracted these fish.

Most of the people are being warned to stay careful from these fish. People and especially swimmers are being advised to remain careful as a sting form this fish can prove very lethal.

This species of jelly fish can reach up to two meters in length. This has been confirmed by marine experts. Most of the experts are warning the people to be careful from this jelly fish.

People are being encouraged to approach life guards, in case anyone is stung by these jelly fish.