Influx of Portuguese Man O War and By-the-Wind-Sailors into UK

waters 2003-2017Dr Victoria Hobson

Photo: Lloyd Jones @KrakenDiving@vjhobson

Dr Peter Richardson, Dr Matt Witt, Dr Stephen Pikesley

Data Source:

www.mcsuk.org/sightings

Register with observer details

Data Source: www.mcsuk.org/sightings

Location

Species and how many

Where were you and where was the animal?

How far away was the animal?

Where and when was the sighting?

Data In 2017

1696 jellyfish sightings

466 were PMoW

72 were BTWS

Photo: Dr Peter Richardson, MCSUK

Sightings

0

10

20

30

40

50

60

2003 2005 2007 2009 2011 2013 2015 2017

Perc

enta

ge

Year

Portuguese Man-o-WarBy-the-wind-sailors

2013-2017 2017

850+ PMoW 466 PMoW

450+ BTWS 72 BTWS

Photo: Delia Webb

Seasonal

0

5

10

15

20

25

30

35

40

45

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Perc

enta

ge

Month

Portuguese Man o WarBy-the-wind-sailors

Photo: Delia Webb

2003-2017 Portuguese Man-o-War By-the-wind-sailors

Photo courtesy of MCSPhoto: Delia Webb

2017Portuguese Man-o-War By-the-wind-sailors

Photo courtesy of MCSPhoto: Delia Webb

JanMarAprJunJul

SeptOctNovDec

Portuguese Man-o-War By-the-wind-sailors2017

AugOctNovDec

Where do they come from?

Wind?

Ocean currents?

Can we predict?

Ferrer et al. 2017

http://markteri.blogspot.co.uk

With thanks

Dr Victoria Hobson@vjhobson

Please continue to report:www.mcsuk.org/sightings