![]() Jellyfish are especially appealing for marine turtles, which visit UK waters in the summer months to feed on them. Among these were the bioluminescent crystal jellyfish, which made up 3 per cent of total sightings and sea gooseberries at 1 per cent – the highest figures reported to date. The presence of less common jellyfish in the reports may indicate how changes in temperature might be affecting the diversity of jellyfish species around the UK and Ireland. MCS reports that ‘other” species – those not commonly encountered in UK waters – have also increased in numbers, rising from 5 to 9 per cent of the total. This year, violet sea snails, which float on the surface in bubble rafts feeding on Portuguese man o’ wars were also sighted. Although the Portuguese man o’ war is a hydrozoan (a colony of individual animals that function together as a single entity), rather than a jellyfish, it is including in the sightings database for both its appearance and status as prey for loggerhead turtles. Storms in October 2021 and February 2022 drove an increased number of the jellyfish-like Portuguese man o’ war towards the southwest coast of England and the west coast of Scotland, with sightings up by 2 per cent on the previous year. Moont jellyfish were the second most common during 2022 (Photo: Mark Kirkland/MCS) The compass jellyfish was the most reported species, with 23.3 per cent of total sightings, closely followed by moon jellyfish with 23 per cent, which were often seen in ‘smacks’ (groups of jellyfish) of more than 100. Eleven different species were recorded eight of which are common to the UK. ![]() The charity’s long-running citizen science project collates data from sightings reports, seeking to identify trends in the distribution of jellyfish – and the turtles that inevitably follow one of their favourite food sources – around the shores of the UK and Ireland.Ĭhanges in when and where particular species are spotted can help scientists to better understand how the ocean may be changing in response to environmental factors such as climate change.Ī total of 1,315 jellyfish sightings were reported between 1 October 2021 and 30 September 2022. ![]() Scuba Diving The Philippines | Video Playlist.Scuba Diving The Philippines | Topside Activities.Scuba Diving The Philippines | Marine Life.Scuba Diving The Philippines | Top Dives.Scuba Diving The Philippines | Need to Know.Scuba Diving The Philippines | An Introduction.Scuba Diving Mexico | The Central Pacific.Scuba Diving Mexico | Sea of Cortez & Baja California.Scuba Diving Mexico | Revillagigedo Archipelago & Guadalupe Island.
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