Just One Ocean
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  • Ocean Issues
    • Plastic Pollution
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    • Cetaceans in Captivity
    • Whaling
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Latest News

EnvironmentHealthMicroplasticsPlastic Pollution

Chewing Gum Policy Brief

Most people are unaware that most regular chewing gum is a single-use plastic. The UK…
David Jones
David JonesJune 19, 2025
CoastlinesEducationScience

Working with Marine Science Students at Lulworth Cove

After three days and around 130 students it is time to say that the rocky…
David Jones
David JonesMay 16, 2025
CoastlinesHabitat Destruction

Preserving Coastal Ecosystems – Loe Bar, Cornwall

Loe Bar, Cornwall — a rare shingle bank where freshwater meets sea. This natural barrier…
David Jones
David JonesApril 23, 2025
BiodiversityCoastlinesEcosystemsEnvironment

Preserving Coastal Ecosystems – The Camel Estuary, Cornwall, UK

The Camel Estuary, Padstow — more than just a beautiful view. Estuaries like this are…
David Jones
David JonesApril 19, 2025
Little Wren

Building Little Wren

It was February 2022 when the build began. In Adam's words, "It was a little…
David Jones
David JonesJanuary 13, 2025
EducationMicroplastics

Red Sea microplastic surveys

Report from the Open Ocean Science Centre - Red Sea On World Environment Day, Wednesday…
David Jones
David JonesJune 12, 2024
ConferencesConservationHabitat Destruction

Talking about marine conservation at GoDiving show

We have been speaking at diving shows for several years about everything from marine plastic…
David Jones
David JonesMarch 5, 2024
CoastlinesHabitat DestructionScience

New research into coastal habitats

Climate change is having a significant impact on coastlines and estuaries around the world. Severe…
David Jones
David JonesFebruary 5, 2024
Citizen scienceMicroplastics

Research Publication – Citizen Science and Microplastic Surveys

In 2018 we decided to develop a citizen science project that would be able to…
David Jones
David JonesJanuary 4, 2024
EnvironmentHabitat DestructionKelp Forests

Diving into the (sea)weeds

It has been great to be working alongside researchers and students from the University of…
David Jones
David JonesAugust 8, 2023
1 2 3 … 12 Next

Latest News

  • GumChewing Gum Policy Brief June 19, 2025
  • Working with Marine Science Students at Lulworth Cove May 16, 2025
  • Preserving Coastal Ecosystems – Loe Bar, Cornwall April 23, 2025
  • Preserving Coastal Ecosystems – The Camel Estuary, Cornwall, UK April 19, 2025
  • Building Little Wren January 13, 2025

Instagram

Rain or shine!

An enjoyable, but very windy day on the Isle of Wight yesterday doing macro and micro plastic surveys with some UoP students.
Rain or shine!

An enjoyable, but very windy day on the Isle of Wight yesterday doing macro and micro plastic surveys with some UoP students.
justoneocean
justoneocean
•
Follow
Rain or shine! An enjoyable, but very windy day on the Isle of Wight yesterday doing macro and micro plastic surveys with some UoP students.
5 days ago
View on Instagram |
1/9
We’ve become so used to seeing plastic on our beaches that many of us barely notice it anymore. A bottle here. A wrapper there. Just part of the scenery.

But plastic is never just an eyesore.

It entangles marine animals. Birds mistake it for food. Sun and waves break it down into microplastics that enter the ocean, the food chain, and ultimately us.

What we’ve learned to ignore is quietly causing lasting harm.

The environment shouldn’t be a dumping ground.

#OceanIssues #PlasticPollution #ProtectOurOceans #OceanHealth #StopPlastic
justoneocean
justoneocean
•
Follow
We’ve become so used to seeing plastic on our beaches that many of us barely notice it anymore. A bottle here. A wrapper there. Just part of the scenery. But plastic is never just an eyesore. It entangles marine animals. Birds mistake it for food. Sun and waves break it down into microplastics that enter the ocean, the food chain, and ultimately us. What we’ve learned to ignore is quietly causing lasting harm. The environment shouldn’t be a dumping ground. #OceanIssues #PlasticPollution #ProtectOurOceans #OceanHealth #StopPlastic
2 weeks ago
View on Instagram |
2/9
Bull sharks (Carcharhinus leucas) are apex predators that play a key role in maintaining marine ecosystem stability.
By regulating prey populations, they help preserve biodiversity and support healthy reef and coastal systems.

Despite their ecological importance, bull sharks face increasing pressure from overfishing, bycatch, and habitat degradation.

Protecting sharks is a science-based approach to protecting ocean health.

#SharkScience #MarineConservation #BullShark #ApexPredators #OceanEcosystems ProtectOurOceans
justoneocean
justoneocean
•
Follow
Bull sharks (Carcharhinus leucas) are apex predators that play a key role in maintaining marine ecosystem stability. By regulating prey populations, they help preserve biodiversity and support healthy reef and coastal systems. Despite their ecological importance, bull sharks face increasing pressure from overfishing, bycatch, and habitat degradation. Protecting sharks is a science-based approach to protecting ocean health. #SharkScience #MarineConservation #BullShark #ApexPredators #OceanEcosystems ProtectOurOceans
2 weeks ago
View on Instagram |
3/9
Caught mid-yawn! This beautiful grouper isn’t sleepy—just showing off one of the many moments that make our ocean so extraordinary.

Healthy reefs mean healthy groupers, and healthy groupers mean balanced ecosystems. Let’s protect the marine habitats they call home.

#OceanIssues #MarineConservation #Grouper #OceanLife
justoneocean
justoneocean
•
Follow
Caught mid-yawn! This beautiful grouper isn’t sleepy—just showing off one of the many moments that make our ocean so extraordinary. Healthy reefs mean healthy groupers, and healthy groupers mean balanced ecosystems. Let’s protect the marine habitats they call home. #OceanIssues #MarineConservation #Grouper #OceanLife
2 months ago
View on Instagram |
4/9
Happy World Octopus Day to cephalopod lovers everywhere! 🐙

Here’s to the clever, curious, color-changing creatures of the deep — may we always have a spot in an octopus’s garden. 🎶 We recommend the sound to be ON. 

#WorldOctopusDay #OctopusGarden #CephalopodLove #OceanVibes
justoneocean
justoneocean
•
Follow
Happy World Octopus Day to cephalopod lovers everywhere! 🐙 Here’s to the clever, curious, color-changing creatures of the deep — may we always have a spot in an octopus’s garden. 🎶 We recommend the sound to be ON. #WorldOctopusDay #OctopusGarden #CephalopodLove #OceanVibes
4 months ago
View on Instagram |
5/9
Bizarre and beautiful ocean creatures! Meet the Flamboyant Cuttlefish — found in the tropical waters of Indonesia, this tiny cuttlefish (usually no bigger than a hand) is famous for its color displays. 

Unlike most cuttlefish, it walks on the seafloor instead of swimming — and those amazing colors aren’t just for show, they’re a warning: this is the only known poisonous cuttlefish in the world. 

Strange, and spectacular; the ocean is full of surprises!

#OceanIssues #MarineCreatures #WildOceans #UnderwaterBeauty #Cuttlefish #Cephalopod
justoneocean
justoneocean
•
Follow
Bizarre and beautiful ocean creatures! Meet the Flamboyant Cuttlefish — found in the tropical waters of Indonesia, this tiny cuttlefish (usually no bigger than a hand) is famous for its color displays. Unlike most cuttlefish, it walks on the seafloor instead of swimming — and those amazing colors aren’t just for show, they’re a warning: this is the only known poisonous cuttlefish in the world. Strange, and spectacular; the ocean is full of surprises! #OceanIssues #MarineCreatures #WildOceans #UnderwaterBeauty #Cuttlefish #Cephalopod
4 months ago
View on Instagram |
6/9
The world has lost a tireless conservationist and advocate for our natural world.
justoneocean
justoneocean
•
Follow
The world has lost a tireless conservationist and advocate for our natural world.
4 months ago
View on Instagram |
7/9
Support like this is essential for us to be able to do our work. Thank you @evergreeninsuranceservices ❤️
justoneocean
justoneocean
•
Follow
Support like this is essential for us to be able to do our work. Thank you @evergreeninsuranceservices ❤️
5 months ago
View on Instagram |
8/9
🪼 Gentle Giant off Cornwall!

Spotted this barrel jellyfish (Rhizostoma pulmo) drifting along the coast. They’re common in warmer waters but can be seen in UK seas, especially in summer when plankton blooms attract them.

Warmer oceans may be making sightings more frequent — a reminder that protecting our seas from pollution and climate change keeps marine life in balance.

Harmless to humans, vital for the ocean 🌊

#BarrelJellyfish #CornwallWildlife #MarineConservation #OceanIssues
justoneocean
justoneocean
•
Follow
🪼 Gentle Giant off Cornwall! Spotted this barrel jellyfish (Rhizostoma pulmo) drifting along the coast. They’re common in warmer waters but can be seen in UK seas, especially in summer when plankton blooms attract them. Warmer oceans may be making sightings more frequent — a reminder that protecting our seas from pollution and climate change keeps marine life in balance. Harmless to humans, vital for the ocean 🌊 #BarrelJellyfish #CornwallWildlife #MarineConservation #OceanIssues
6 months ago
View on Instagram |
9/9
View on Instagram

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Instagram

Rain or shine!

An enjoyable, but very windy day on the Isle of Wight yesterday doing macro and micro plastic surveys with some UoP students.
Rain or shine!

An enjoyable, but very windy day on the Isle of Wight yesterday doing macro and micro plastic surveys with some UoP students.
justoneocean
justoneocean
•
Follow
Rain or shine! An enjoyable, but very windy day on the Isle of Wight yesterday doing macro and micro plastic surveys with some UoP students.
5 days ago
View on Instagram |
1/9
We’ve become so used to seeing plastic on our beaches that many of us barely notice it anymore. A bottle here. A wrapper there. Just part of the scenery.

But plastic is never just an eyesore.

It entangles marine animals. Birds mistake it for food. Sun and waves break it down into microplastics that enter the ocean, the food chain, and ultimately us.

What we’ve learned to ignore is quietly causing lasting harm.

The environment shouldn’t be a dumping ground.

#OceanIssues #PlasticPollution #ProtectOurOceans #OceanHealth #StopPlastic
justoneocean
justoneocean
•
Follow
We’ve become so used to seeing plastic on our beaches that many of us barely notice it anymore. A bottle here. A wrapper there. Just part of the scenery. But plastic is never just an eyesore. It entangles marine animals. Birds mistake it for food. Sun and waves break it down into microplastics that enter the ocean, the food chain, and ultimately us. What we’ve learned to ignore is quietly causing lasting harm. The environment shouldn’t be a dumping ground. #OceanIssues #PlasticPollution #ProtectOurOceans #OceanHealth #StopPlastic
2 weeks ago
View on Instagram |
2/9
Bull sharks (Carcharhinus leucas) are apex predators that play a key role in maintaining marine ecosystem stability.
By regulating prey populations, they help preserve biodiversity and support healthy reef and coastal systems.

Despite their ecological importance, bull sharks face increasing pressure from overfishing, bycatch, and habitat degradation.

Protecting sharks is a science-based approach to protecting ocean health.

#SharkScience #MarineConservation #BullShark #ApexPredators #OceanEcosystems ProtectOurOceans
justoneocean
justoneocean
•
Follow
Bull sharks (Carcharhinus leucas) are apex predators that play a key role in maintaining marine ecosystem stability. By regulating prey populations, they help preserve biodiversity and support healthy reef and coastal systems. Despite their ecological importance, bull sharks face increasing pressure from overfishing, bycatch, and habitat degradation. Protecting sharks is a science-based approach to protecting ocean health. #SharkScience #MarineConservation #BullShark #ApexPredators #OceanEcosystems ProtectOurOceans
2 weeks ago
View on Instagram |
3/9
Caught mid-yawn! This beautiful grouper isn’t sleepy—just showing off one of the many moments that make our ocean so extraordinary.

Healthy reefs mean healthy groupers, and healthy groupers mean balanced ecosystems. Let’s protect the marine habitats they call home.

#OceanIssues #MarineConservation #Grouper #OceanLife
justoneocean
justoneocean
•
Follow
Caught mid-yawn! This beautiful grouper isn’t sleepy—just showing off one of the many moments that make our ocean so extraordinary. Healthy reefs mean healthy groupers, and healthy groupers mean balanced ecosystems. Let’s protect the marine habitats they call home. #OceanIssues #MarineConservation #Grouper #OceanLife
2 months ago
View on Instagram |
4/9
Happy World Octopus Day to cephalopod lovers everywhere! 🐙

Here’s to the clever, curious, color-changing creatures of the deep — may we always have a spot in an octopus’s garden. 🎶 We recommend the sound to be ON. 

#WorldOctopusDay #OctopusGarden #CephalopodLove #OceanVibes
justoneocean
justoneocean
•
Follow
Happy World Octopus Day to cephalopod lovers everywhere! 🐙 Here’s to the clever, curious, color-changing creatures of the deep — may we always have a spot in an octopus’s garden. 🎶 We recommend the sound to be ON. #WorldOctopusDay #OctopusGarden #CephalopodLove #OceanVibes
4 months ago
View on Instagram |
5/9
Bizarre and beautiful ocean creatures! Meet the Flamboyant Cuttlefish — found in the tropical waters of Indonesia, this tiny cuttlefish (usually no bigger than a hand) is famous for its color displays. 

Unlike most cuttlefish, it walks on the seafloor instead of swimming — and those amazing colors aren’t just for show, they’re a warning: this is the only known poisonous cuttlefish in the world. 

Strange, and spectacular; the ocean is full of surprises!

#OceanIssues #MarineCreatures #WildOceans #UnderwaterBeauty #Cuttlefish #Cephalopod
justoneocean
justoneocean
•
Follow
Bizarre and beautiful ocean creatures! Meet the Flamboyant Cuttlefish — found in the tropical waters of Indonesia, this tiny cuttlefish (usually no bigger than a hand) is famous for its color displays. Unlike most cuttlefish, it walks on the seafloor instead of swimming — and those amazing colors aren’t just for show, they’re a warning: this is the only known poisonous cuttlefish in the world. Strange, and spectacular; the ocean is full of surprises! #OceanIssues #MarineCreatures #WildOceans #UnderwaterBeauty #Cuttlefish #Cephalopod
4 months ago
View on Instagram |
6/9
The world has lost a tireless conservationist and advocate for our natural world.
justoneocean
justoneocean
•
Follow
The world has lost a tireless conservationist and advocate for our natural world.
4 months ago
View on Instagram |
7/9
Support like this is essential for us to be able to do our work. Thank you @evergreeninsuranceservices ❤️
justoneocean
justoneocean
•
Follow
Support like this is essential for us to be able to do our work. Thank you @evergreeninsuranceservices ❤️
5 months ago
View on Instagram |
8/9
🪼 Gentle Giant off Cornwall!

Spotted this barrel jellyfish (Rhizostoma pulmo) drifting along the coast. They’re common in warmer waters but can be seen in UK seas, especially in summer when plankton blooms attract them.

Warmer oceans may be making sightings more frequent — a reminder that protecting our seas from pollution and climate change keeps marine life in balance.

Harmless to humans, vital for the ocean 🌊

#BarrelJellyfish #CornwallWildlife #MarineConservation #OceanIssues
justoneocean
justoneocean
•
Follow
🪼 Gentle Giant off Cornwall! Spotted this barrel jellyfish (Rhizostoma pulmo) drifting along the coast. They’re common in warmer waters but can be seen in UK seas, especially in summer when plankton blooms attract them. Warmer oceans may be making sightings more frequent — a reminder that protecting our seas from pollution and climate change keeps marine life in balance. Harmless to humans, vital for the ocean 🌊 #BarrelJellyfish #CornwallWildlife #MarineConservation #OceanIssues
6 months ago
View on Instagram |
9/9

© 2026 Just One Ocean.

  • About
    • Meet The Team
    • Ocean Ambassadors
    • Partners
  • Ocean Issues
    • Plastic Pollution
    • Habitat Destruction
    • Over Fishing
    • Shark Finning
    • Cetaceans in Captivity
    • Whaling
  • Support Us
    • Corporate Partnerships
    • Events and Challenges
    • Speaking Engagements
    • The Big Microplastic Survey
    • Make a Donation
    • Join our mailing list
    • Check out our store
  • Projects
  • Research
  • News
  • Donate Today
  • Store