Jellyfish

One group said it had received "an influx" of reports in recent days.

Beachgoers are asked to report marine strandings after the jellyfish washed up in Cornwall.

The new starter will supervise a jellyfish breeding programme as well as caring for the creatures.

A mass stranding of mauve stingers on the Cornish coast surprises experts.

The relay team suffered so many jellyfish stings they had to be checked out in hospital.

The jellyfish could have been affected by a change in salinity of the seawater after heavy rain.

The velella velella have sail-like structures that propel them across the ocean's surface.

Islanders are asked to be cautious after two separate discoveries of a Portuguese man o' war.