British Jellyfish
Lion's Mane Jellyfish
Cyanea capillata
Photograph by Wayne Curtis (Sunderland)
British distribution:
Common off the west coast of Scotland and in the northern North Sea. Every year they are stranded on the shore and against salmon cages off west Scotland. Off north-east England the occurrence on the shore is dependent on easterly winds, but they seem to occur in most years.
As you go further south their frequency decreases, but they occur off both the Welsh coast (west) and Yorkshire coast (east) regularly.
Do they occur in the Irish Sea? Yes, at least one BMLSS record. Recorded as far south as Lundy (Bristol Channel).
Records in the English Channel are unusual. Do they occur, how often?
Sting:
Books say the sting is powerful (Hayward & Ryland) but frequently the sting is innocuous. However, divers who have been stung in the face report it like a wasp sting, and a diver who got stung in the eye was treated for an abscess.
Specimen in Loch Fyne (External Site)
Cyanea lamarcki.
No common name: Norwegians call it Blue Jellyfish, or Bluefire
Photograph by Trevor McDonald (Aberdeen)
British distribution:
It has the same distribution in British seas as Cyanea capillata but is not nearly as common. Both Cyanea jellyfish will occur together sometimes. Common off Scotland. Recorded as far south as Lundy (Bristol Channel) and around the southern coast of Cornwall.
Sting:
Most reports say it is innocuous. Not enough information, but probably similar to Cyanea capillata.
We have at least one report of loose strands of tentacles of this jellyfish can sting sensitive sting (Peter Glanvill)
7 July 2014
Thousands of jellyfish were washed ashore at Polzeath, north Cornwall. Easily over a thousand Bluefire Jellyfish, Cyanea lamarckii; up to a hundred Moon Jellyfish, Aurelia aurita, and two juvenile Compass Jellyfish, Chrysaora hysoscella, were noted. A few of the Bluefire Jellyfish must have been about 35 cm diameter, but most were much smaller, with lots of very juvenile specimens.
Report & Photographs by David Fenwick Snr
on NE Atlantic Cnidaria facebook
Jellyfish, Cyanea, off the Kent coast
26 June 2001
Hundreds of jellyfish were seen off Sandgate, Kent. They were about 12 cm in diameter but have not yet been positively identified. This could be the species Cyanea lamarckii.
Report and photograph by Philip Saunders
I think that this jellyfish is Cyanea lamarckii. I found a lot of these animals in Juli and August around the island of Helgoland.
Barbara Siefker
°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
Barbara Siefker
Universität zu Köln
Zoologie: I. Lehrstuhl
Weyertal 119
50931 Köln
Germany
Barbara.siefker@uni-koeln.de
Yes -- Claudia is right -- not about the seat of the pants thing, but about
the C. lamarckii. Bad specimen but unmistakable nonetheless.
Cheers, Lisa
*****************************************************************************
Lisa-ann Gershwin
Department of Integrative Biology
U.C. Museum of Paleontology
University of California
Berkeley, CA 94720 USA
email: gershwin@socrates.berkeley.edu
Photograph
3 September 2010
Three Bluefire Jellyfish, Cyanea lamarkii, were washed up at Eccles-on-sea, Norfolk.
Report and Photograph by Neil Bowman
8 July 2010
My dog jumped in a rock pool at Paignton by Tor Bay, Devon, and when I put my hands in to haul him out, I got stung by some small jellyfish. These were the Bluefire, Cyanea lamarkii, and they stung like a bee sting. I managed to get stung again on the ankle but rinsed it at home with cold water and now it feels like nettle stings! They ranged in size from 3 cm in diameter to 25 cm and some of the larger ones were brownish and could be a different species.
Report and Photographs by Aaron Husain
3 July 2010
Whilst walking along the beach at Seasalter, Kent, there were alot of seemingly dead Moon Jellies and beautiful purple flower like Cyanea lamarkii jellies washing up on the beach. Probably saw 100 or so along a quarter mile stretch of beach. I just wondered what may have killed them? The place I saw them is where the 'Swale' meets the North Sea... They were almost certainly washed on to the shore with tides, currents and offshore winds.
Report by Leo Charles
June 2010
Bluefire, Cyanea lamarkii, Jellyfish are washed up annually on Par Beach, Cornwall, with both blue ones and brown coloured ones.
Report by David Fenwick on Facebook
June 2006
I spotted loads of jellyfish at a beach on the Lleyn Peninsula in north Wales. Mostly they were Moon Jellyfish, but there were also some as shown in the photograph on the left. The diameter of the bell was about 25 mm. These were probably Bluefire Jellyfish, Cyanea lamarckii.
Report and Photograph by David Meiklejohn
16 July 2005
A Bluefire Jellyfish, Cyanea lamarckii, was found in the shallows at Shoreham Beach, West Sussex.
Bluefire Jellyfish (Photograph by Carole O'Connor)
Report and Photograph by Carole O'Connor
This species has not been recorded recently off the Sussex coast although it has been discovered in the shallow seas around the rest of Britain. It is one of the lesser known jellyfish that frequent the seas around the British Isles, although there have been more than the usual number of reports from other shores this year.
Marine Life Reports for Sussex
Spring (probably June) 2005
This specimen of the Blue Jellyfish, Cyanea lamarckii, was washed ashore on the Isle of Man with half a dozen Moon Jellyfish, Aurelia aurita.
Photograph by Gary Lacey (Isle of Man)
Report and Photograph by Gary Lacey (Isle of Man)
7 June 2003
Hundreds of the Blue Jellyfish, Cyanea lamarckii, were seen whilst diving around the Lizard up to the Helford river in Cornwall. Also seen in the Helford river was a Lion's Mane Jellyfish, Cyanea capillata, and a Compass Jellyfish, Chrysaora hysoscella.
The staff at Porthkerris divers have recently seen vast numbers of By-the-Wind Sailors, Velella velella, which turned the beach blue!
Report by Paul Parsons
on the Marine Wildlife of the North-east Atlantic Ocean Group
7 June 2003
Today Anne and David Williams found and photographed specimens of the Blue Jellyfish, Cyanea lamarckii, at Godrevy, St Ives Bay, Cornwall. There have been several other reports of this species in the past few weeks.
Report by Stella Turk MBE on the Cornish Mailing List
30 July 2002
Over the past five weeks during shore surveys on the west coast of Scotland, two specimens of the Blue Jellyfish, Cyanea lamarcki were seen: in the Sound of Jura and near Loch Ewe in Wester Ross. Both were under 10 cm in diameter and a vivid blue. Today, a report reached me of a diver who was stung on the wrist off the island of Canna, probably by this species, and spent two and a half painful days in hospital. This species is much more unpleasant than the common reddish-brown Lion's Mane Jellyfish, Cyanea capillata, and seems to be much less common.
Report by Robert Harvey
BMLSS Jellyfish
Jellyfish Stings
Blue Jellyfish at Worm's head (Photograph by Roy Dale)26 June 2002
A jellyfish was discovered alive in a rockpool on Worm's Head, the "wurm"-shaped rock island connected at low tide by a causeway to the western end of the Gower peninsular at the southern end of Rhossili Bay in south Wales. By comparing the size of the periwinkle in the pool the viewer can see the size is about 100 mm in diameter. The jellyfish has been identified as the Blue Jellyfish, Cyanea lamarckii. Inverted the jellyfish was white underneath. It quickly righted itself.
Report by Roy Dale via UK Wildlife
BMLSS Cnidaria
Cnidarian Mailing List
Rhizostoma octopus (=R. pulmo)
Common names not often used include:
Barrel Jellyfish, Football Jellyfish, Root-mouthed Jellyfish.
Sometimes known as the Barrel jellyfish this specimen was 40cm in diameter. Accompanied by juvenile Scad.
Rhizostoma octopus (=R. pulmo)
Photograph by Paul Parsons
British distribution:
Rhizostoma Jellyfish washed at Beer, Devon on 7 May 2002 (Photograph by Ceri Jones)Particularly abundant in the Irish Sea. Occurs all around the British Isles, and is common off the west coasts, e.g. Cornwall.
Full distribution details not collated. On file somewhere.
Occurrence in eastern English Channel and southern North Sea may be infrequent as no reports are on file.
Sting:
Reported not to sting at all. However, I may have one record, so like other innocuous animals and plants the sting can be felt through broken skin and will cause a rash in the sensitive.
Moon Jellyfish
Aurelia aurita
This jellyfish is sometimes called the Common Jellyfish. This name could be misleading and be given to the jellyfish that are common in a particular area, so it would be best to discourage the use of this name.
British distribution:
Abundant of all British coasts, more often seen on the west coast when in is blown inshore, but it will go through its life cycle in shallow water and even harbours. Most reports come in from the Bristol Channel and south Wales, but it may be so familiar elsewhere that it is not worth a mention.
In the eastern English Channel, there may be some years when it is not abundant. This may be just inshore waters. It was rarely seen from the shore off Sussex from 1980 to 1990 (e.g. not seen in 200 visits to the shore, and 60 dives). It is found in harbours and brackish water.
Sting:
It has been long regarded as innocuous. However, there has been more than one report in British seas of this species causing a rash (from my records) and even pain (Paul Cornelius). Other reports are of itching and distinct reddening of the skin by skin divers swimming through a swarm.
Compass Jellyfish
Chrysaora hysoscella
The other name of Sea Nettle, I have never heard used and it is not so descriptive.
Photograph by Steve Barker (Shoreham-by-Sea 1979)
British distribution:
All around the British Isles. Not in the large swarms of other jellyfish and often s
British Jellyfish
Lion's Mane Jellyfish
Cyanea capillata
Photograph by Wayne Curtis (Sunderland)
British distribution:
Common off the west coast of Scotland and in the northern North Sea. Every year they are stranded on the shore and against salmon cages off west Scotland. Off north-east England the occurrence on the shore is dependent on easterly winds, but they seem to occur in most years.
As you go further south their frequency decreases, but they occur off both the Welsh coast (west) and Yorkshire coast (east) regularly.
Do they occur in the Irish Sea? Yes, at least one BMLSS record. Recorded as far south as Lundy (Bristol Channel).
Records in the English Channel are unusual. Do they occur, how often?
Sting:
Books say the sting is powerful (Hayward & Ryland) but frequently the sting is innocuous. However, divers who have been stung in the face report it like a wasp sting, and a diver who got stung in the eye was treated for an abscess.
Specimen in Loch Fyne (External Site)
Cyanea lamarcki.
No common name: Norwegians call it Blue Jellyfish, or Bluefire
Photograph by Trevor McDonald (Aberdeen)
British distribution:
It has the same distribution in British seas as Cyanea capillata but is not nearly as common. Both Cyanea jellyfish will occur together sometimes. Common off Scotland. Recorded as far south as Lundy (Bristol Channel) and around the southern coast of Cornwall.
Sting:
Most reports say it is innocuous. Not enough information, but probably similar to Cyanea capillata.
We have at least one report of loose strands of tentacles of this jellyfish can sting sensitive sting (Peter Glanvill)
7 July 2014
Thousands of jellyfish were washed ashore at Polzeath, north Cornwall. Easily over a thousand Bluefire Jellyfish, Cyanea lamarckii; up to a hundred Moon Jellyfish, Aurelia aurita, and two juvenile Compass Jellyfish, Chrysaora hysoscella, were noted. A few of the Bluefire Jellyfish must have been about 35 cm diameter, but most were much smaller, with lots of very juvenile specimens.
Report & Photographs by David Fenwick Snr
on NE Atlantic Cnidaria facebook
Jellyfish, Cyanea, off the Kent coast
26 June 2001
Hundreds of jellyfish were seen off Sandgate, Kent. They were about 12 cm in diameter but have not yet been positively identified. This could be the species Cyanea lamarckii.
Report and photograph by Philip Saunders
I think that this jellyfish is Cyanea lamarckii. I found a lot of these animals in Juli and August around the island of Helgoland.
Barbara Siefker
°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
Barbara Siefker
Universität zu Köln
Zoologie: I. Lehrstuhl
Weyertal 119
50931 Köln
Germany
Barbara.siefker@uni-koeln.de
Yes -- Claudia is right -- not about the seat of the pants thing, but about
the C. lamarckii. Bad specimen but unmistakable nonetheless.
Cheers, Lisa
*****************************************************************************
Lisa-ann Gershwin
Department of Integrative Biology
U.C. Museum of Paleontology
University of California
Berkeley, CA 94720 USA
email: gershwin@socrates.berkeley.edu
Photograph
3 September 2010
Three Bluefire Jellyfish, Cyanea lamarkii, were washed up at Eccles-on-sea, Norfolk.
Report and Photograph by Neil Bowman
8 July 2010
My dog jumped in a rock pool at Paignton by Tor Bay, Devon, and when I put my hands in to haul him out, I got stung by some small jellyfish. These were the Bluefire, Cyanea lamarkii, and they stung like a bee sting. I managed to get stung again on the ankle but rinsed it at home with cold water and now it feels like nettle stings! They ranged in size from 3 cm in diameter to 25 cm and some of the larger ones were brownish and could be a different species.
Report and Photographs by Aaron Husain
3 July 2010
Whilst walking along the beach at Seasalter, Kent, there were alot of seemingly dead Moon Jellies and beautiful purple flower like Cyanea lamarkii jellies washing up on the beach. Probably saw 100 or so along a quarter mile stretch of beach. I just wondered what may have killed them? The place I saw them is where the 'Swale' meets the North Sea... They were almost certainly washed on to the shore with tides, currents and offshore winds.
Report by Leo Charles
June 2010
Bluefire, Cyanea lamarkii, Jellyfish are washed up annually on Par Beach, Cornwall, with both blue ones and brown coloured ones.
Report by David Fenwick on Facebook
June 2006
I spotted loads of jellyfish at a beach on the Lleyn Peninsula in north Wales. Mostly they were Moon Jellyfish, but there were also some as shown in the photograph on the left. The diameter of the bell was about 25 mm. These were probably Bluefire Jellyfish, Cyanea lamarckii.
Report and Photograph by David Meiklejohn
16 July 2005
A Bluefire Jellyfish, Cyanea lamarckii, was found in the shallows at Shoreham Beach, West Sussex.
Bluefire Jellyfish (Photograph by Carole O'Connor)
Report and Photograph by Carole O'Connor
This species has not been recorded recently off the Sussex coast although it has been discovered in the shallow seas around the rest of Britain. It is one of the lesser known jellyfish that frequent the seas around the British Isles, although there have been more than the usual number of reports from other shores this year.
Marine Life Reports for Sussex
Spring (probably June) 2005
This specimen of the Blue Jellyfish, Cyanea lamarckii, was washed ashore on the Isle of Man with half a dozen Moon Jellyfish, Aurelia aurita.
Photograph by Gary Lacey (Isle of Man)
Report and Photograph by Gary Lacey (Isle of Man)
7 June 2003
Hundreds of the Blue Jellyfish, Cyanea lamarckii, were seen whilst diving around the Lizard up to the Helford river in Cornwall. Also seen in the Helford river was a Lion's Mane Jellyfish, Cyanea capillata, and a Compass Jellyfish, Chrysaora hysoscella.
The staff at Porthkerris divers have recently seen vast numbers of By-the-Wind Sailors, Velella velella, which turned the beach blue!
Report by Paul Parsons
on the Marine Wildlife of the North-east Atlantic Ocean Group
7 June 2003
Today Anne and David Williams found and photographed specimens of the Blue Jellyfish, Cyanea lamarckii, at Godrevy, St Ives Bay, Cornwall. There have been several other reports of this species in the past few weeks.
Report by Stella Turk MBE on the Cornish Mailing List
30 July 2002
Over the past five weeks during shore surveys on the west coast of Scotland, two specimens of the Blue Jellyfish, Cyanea lamarcki were seen: in the Sound of Jura and near Loch Ewe in Wester Ross. Both were under 10 cm in diameter and a vivid blue. Today, a report reached me of a diver who was stung on the wrist off the island of Canna, probably by this species, and spent two and a half painful days in hospital. This species is much more unpleasant than the common reddish-brown Lion's Mane Jellyfish, Cyanea capillata, and seems to be much less common.
Report by Robert Harvey
BMLSS Jellyfish
Jellyfish Stings
Blue Jellyfish at Worm's head (Photograph by Roy Dale)26 June 2002
A jellyfish was discovered alive in a rockpool on Worm's Head, the "wurm"-shaped rock island connected at low tide by a causeway to the western end of the Gower peninsular at the southern end of Rhossili Bay in south Wales. By comparing the size of the periwinkle in the pool the viewer can see the size is about 100 mm in diameter. The jellyfish has been identified as the Blue Jellyfish, Cyanea lamarckii. Inverted the jellyfish was white underneath. It quickly righted itself.
Report by Roy Dale via UK Wildlife
BMLSS Cnidaria
Cnidarian Mailing List
Rhizostoma octopus (=R. pulmo)
Common names not often used include:
Barrel Jellyfish, Football Jellyfish, Root-mouthed Jellyfish.
Sometimes known as the Barrel jellyfish this specimen was 40cm in diameter. Accompanied by juvenile Scad.
Rhizostoma octopus (=R. pulmo)
Photograph by Paul Parsons
British distribution:
Rhizostoma Jellyfish washed at Beer, Devon on 7 May 2002 (Photograph by Ceri Jones)Particularly abundant in the Irish Sea. Occurs all around the British Isles, and is common off the west coasts, e.g. Cornwall.
Full distribution details not collated. On file somewhere.
Occurrence in eastern English Channel and southern North Sea may be infrequent as no reports are on file.
Sting:
Reported not to sting at all. However, I may have one record, so like other innocuous animals and plants the sting can be felt through broken skin and will cause a rash in the sensitive.
Moon Jellyfish
Aurelia aurita
This jellyfish is sometimes called the Common Jellyfish. This name could be misleading and be given to the jellyfish that are common in a particular area, so it would be best to discourage the use of this name.
British distribution:
Abundant of all British coasts, more often seen on the west coast when in is blown inshore, but it will go through its life cycle in shallow water and even harbours. Most reports come in from the Bristol Channel and south Wales, but it may be so familiar elsewhere that it is not worth a mention.
In the eastern English Channel, there may be some years when it is not abundant. This may be just inshore waters. It was rarely seen from the shore off Sussex from 1980 to 1990 (e.g. not seen in 200 visits to the shore, and 60 dives). It is found in harbours and brackish water.
Sting:
It has been long regarded as innocuous. However, there has been more than one report in British seas of this species causing a rash (from my records) and even pain (Paul Cornelius). Other reports are of itching and distinct reddening of the skin by skin divers swimming through a swarm.
Compass Jellyfish
Chrysaora hysoscella
The other name of Sea Nettle, I have never heard used and it is not so descriptive.
Photograph by Steve Barker (Shoreham-by-Sea 1979)
British distribution:
All around the British Isles. Not in the large swarms of other jellyfish and often s
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