Marine Life & Conservation
How well do you know your jellies? Marine Conservation Society launches new quiz for jellyfish season
As jellyfish season is well and truly upon us, you’re likely to see more jellyfish around UK shores. The Marine Conservation Society is once again calling on beachgoers to report jellyfish sightings on the charity’s website as part of its national Jellyfish Survey.
This year the charity is also testing the public’s jellyfish identification skills. Teaming up with the University of Plymouth, the Marine Conservation Society has launched an online Jellyfish ID Quiz to understand how easy it is for people to identify UK jellyfish with a view to improving the survey.
The Jellyfish Survey started in 2003 with the intention of understanding more about the distribution of jellyfish in the UK’s waters and how this affects leatherback turtles. Leatherbacks migrate to UK waters to feed on plentiful jellyfish bloom through the summer. However, with limited data on where these blooms happened, the Marine Conservation Society sought to gather data to identify potential feeding hotspots for leatherback turtles.
To date, thousands of people have shared sightings of jellyfish from around the UK, helping to build an extensive data set of six jellyfish and two jellyfish-like hydrozoan species.
Understanding trends in jellyfish distribution and numbers can help with more than just understanding leatherback turtles. Large jellyfish blooms can have real economic impacts on marine industries, and may also indicate the impacts of climate change on our ocean.
In 2014, with partners from the University of Exeter, the Marine Conservation Society published the first paper from the survey data, confirming key information about UK jellyfish and including the first distribution maps of the surveyed species. The paper confirmed, for example, that adult barrel jellyfish have a largely western distribution in UK seas and can survive UK winters.
The paper also identified south-west England and Wales as a jellyfish hotspot, where other work has shown a relatively high probability of leatherback turtle sightings for the UK.
Since the 2014 paper, the Jellyfish Survey has recorded notable jellyfish events such as massive and extensive annual blooms of barrel jellyfish and several summers of mass strandings of Portuguese Man o’ War.
The University of Plymouth is working with the Marine Conservation Society to analyse this most recent data. The charity hopes to run the Jellyfish Survey over a long time period to see what happens to the distribution and frequency of mass jellyfish blooms over time and attempt to explore any links with big-picture factors such as climate change.
Dr Peter Richardson, Head of Ocean Recovery at the Marine Conservation Society: “We’ve been running our National Jellyfish Survey citizen science programme for more than 17 years and, thanks to the participation of thousands of jellyfish spotters sending us their records, we are now starting to understand more about our UK jellyfish species.
“As we start to enjoy the UK’s beautiful beaches again this year, we want as many beachgoers as possible to get involved and send us their jellyfish records. Remember, you can look, but please don’t touch the jellyfish…some have a painful sting!”
The Marine Conservation Society wants to continue building on this survey data, helping to develop an ongoing understanding of jellyfish trends in UK seas. To ensure that the survey is as easy-to-use as possible, the charity is also asking members of the public to take the Jellyfish ID Quiz. Working with experts at Plymouth University, the quiz aims to find out how easy it is for people to identify the eight jellyfish and jellyfish-like species that visit the UK using the photo ID guide, with the intention to update and improve the Jellyfish Survey so it can run for many more years to come.
Catriona Duncan, MSc Student at the University of Plymouth: “Citizen science is a really valuable way to gather information and engage people with the marine environment, so we want to make sure the national Jellyfish Survey is as engaging and easy to use as possible. Jellyfish are an animal so many of us are familiar with, but surprisingly little is known about their distribution around UK waters and what causes them to bloom and increase in numbers. This project is a fantastic opportunity to help find ways to improve the survey and encourage more people to get involved for years to come.”
To take the Jellyfish ID Quiz and test your knowledge click here, and to find out more information and get involved in the National Jellyfish Survey please visit the Marine Conservation Society’s website – https://www.mcsuk.org/sightings/
Photo credit: Peter Bardsley
Marine Life & Conservation
Paul Watson Released as Denmark Blocks Japan’s Extradition Bid
Renowned anti-whaling activist Paul Watson has been released from custody in Greenland after spending five months in detention. Denmark’s Justice Ministry rejected Japan’s request for his extradition, citing insufficient guarantees that his time already served in custody would be credited against any potential sentence.
The 74-year-old Canadian-American was arrested on July 21 in Nuuk, Greenland’s capital, when his ship docked to refuel. His arrest was based on a 2012 Japanese warrant related to a 2010 encounter in Antarctic waters. Japan alleged Watson obstructed operations and caused damage to a whaling research ship during efforts to disrupt illegal whaling. Watson has consistently denied these claims, maintaining his commitment to marine conservation.
Denmark, which oversees extradition matters for Greenland, concluded that while the legal conditions for extradition were met, the lack of assurances from Japan regarding time-served credit made extradition untenable.
In a video shared by his foundation, Watson expressed gratitude and relief, saying, “After five months, it’s good to be out… and good to know they’re not sending me to Japan.” He added that the most difficult part of his time in custody was being separated from his two young sons.
Watson is a pioneering figure in marine conservation, known for founding the Captain Paul Watson Foundation in 2022 after decades of activism with the Sea Shepherd Conservation Society. His bold efforts to defend marine life have earned him widespread support, including from celebrities and conservationists. His work has also been featured in the acclaimed reality TV series Whale Wars.
Watson’s lawyer, Jonas Christoffersen, praised the decision, stating, “We are happy and relieved that Paul Watson is now free.” He added that Watson is eager to reunite with his family and continue his vital work.
The arrest occurred while Watson’s vessel, the M/Y John Paul DeJoria, was en route to the North Pacific with a team of 26 volunteers to intercept a Japanese whaling ship. His foundation described the arrest as politically motivated and emphasized that Watson’s actions were focused on ending illegal whaling practices.
Japan resumed commercial whaling in 2019 after leaving the International Whaling Commission, asserting that whale meat is a cultural tradition. Conservationists, however, continue to challenge these practices, highlighting their impact on marine ecosystems.
Despite the challenges, Watson remains steadfast in his mission to protect marine life and bring attention to whaling practices. His dedication to ocean conservation has made him a globally respected advocate for the environment.
Marine Life & Conservation
12 Days of Zero-Waste Fish-mas
This holiday period, the Marine Conservation Society, the UK’s leading ocean membership charity, invites you to make some simple changes to eating fish this Christmas to help our seas.
Dr Kenneth Bodles, Head of Fisheries and Aquaculture at the Marine Conservation Society, said, “During the festive season, our consumption increases, but so does waste. Sustainability isn’t just about where food comes from – it’s also about how you use it. By reducing waste and making the most out of your seafood, you’re not only taking steps to be more ocean-friendly, but can also help to cut costs during what is often one of the most expensive times of the year”.
The Marine Conservation Society has compiled twelve tips on how to consume seafood sustainably with zero-waste this Christmas:
Buy whole fish instead of fillets
Instead of fillets, consider buying whole fish such as salmon, hake, or lemon sole. By adopting a “nose to tail” approach with cooking, whole-baked fish not only feeds a crowd, but also helps to minimise waste and maximise sustainability by using up every part of the animal, including bones, skin, and fat.
Make fish stock
Leftover fish bones or shells can be put to good use by boiling them to make a nourishing fish stock or bisque. This can be frozen and preserved for later use and makes for a flavourful base in a soup.
Make your own fish pâté
Avoid waste by turning leftover fish, such as smoked mackerel or salmon, into a delicious pâté by blending with cream cheese and lemon. Perfect when paired with crackers.
The sustainability of salmon and mackerel varies depending on where and how it is caught or farmed. For more information on green-rated options, check the charity’s Good Fish Guide.
Buy frozen
By purchasing seafood that is frozen or vacuum-packed, this helps to reduce waste by extending the shelf life of your food.
Fish pie
If you’re wondering what to do with leftover cooked fish, why not opt for a classic fish pie with mashed potatoes, leeks, and a cheesy sauce? A sure crowd pleaser on Boxing Day.
Use the head
Don’t forget the fish head! The meat is incredibly tender and flavourful. The charity recommends a cod’s head curry or recreating Fallow’s renowned cod’s head in siracha butter.
By stretching your ingredients further, not only is this a more sustainable way to enjoy seafood, but also cost-effective by repurposing leftovers and cooking creatively.
Boxing Day brunch
Mix leftover kippers or smoked salmon with scrambled eggs for a tasty, zero-waste, Boxing Day brunch.
For best choice, make sure you buy kippers, or herring, from the North Sea and the North Irish Sea.
Zero-waste storage
A top tip from the Marine Conservation Society to avoid waste is freezing fish offcuts to save for future use.
Crisp up the skin
Even leftover fish skin can be turned into a quick savoury snack by crisping it up in an air fryer with a little olive oil and salt.
Anchovies two ways
Leftover anchovies can either be blended with butter to make a delicious anchovy butter or tossed into pasta for a hit of umami flavour.
The charity recommends opting for anchovies caught in the Bay of Biscay for best choice.
Fishcakes
For an easy, zero-waste meal, leftover seafood trimmings can be mixed with mash and fried in breadcrumbs to make fishcakes.
Pickled mussels
Try pickling mussels in 1:1 vinegar and water, with a dash of sugar for a sustainable, zero-waste snack that can be enjoyed well beyond the festive season.
Mussels farmed in the UK are a seafood superhero. Grown using low-impact methods and harvested by hand, they get all the food they need from the sea around them. This makes them one of the most sustainable, ocean-friendly, and cost-effective seafood options.
Players of People’s Postcode Lottery have raised £6.6M towards the Marine Conservation Society’s vital work in making seafood more sustainable.
Laura Chow, Head of Charities at People’s Postcode Lottery, said: “Fish is a festive favourite for many, but making sustainable choices when it comes to how we buy and eat seafood makes all the difference for our ocean. Support from players of People’s Postcode Lottery has helped the Marine Conservation Society further its sustainable seafood work, so that we can all enjoy healthier, better protected seas.”
The Marine Conservation Society encourages you to make sustainable seafood choices a year-round habit, not just for Christmas. To check how sustainable the seafood on your plate is, you can visit the charity’s Good Fish Guide. The Guide helps consumers and businesses identify the most sustainable seafood using a simple traffic light system, based on where and how species are caught or farmed. Green is the best choice, amber means improvements are needed, and red indicates fish to avoid buying.
Zero-waste gift idea
Why not embrace a zero-waste Christmas by gifting a membership to support marine conservation? It’s a meaningful, low-waste gift that helps protect our ocean for generations to come. Memberships start from as little as £5 a month – the price of a sandwich and drink from your local coffee shop.
Find the latest sustainable seafood advice for wild-caught and farmed seafood on the Good Fish Guide, downloadable to your phone from www.mcsuk.org/goodfishguide.
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