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Marine and Fisheries

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An invasive species is defined as an organism (plant, animal, fungus, or bacterium) that is not native and has negative effects on our economy, environment, or health.
if you've seen a term you don't understand, please check here for an explanation.
The portal presents data from a variety of sources in a spatial way.

Our seas and coasts are an important natural resource. They support a wealth of wildlife and many commercially viable fisheries.

They contribute significantly to sectors of our economy such as tourism, ports, shipping, and alternative energy production.

Marine Protected Areas, where the important species and habitats are, help us to think about the possible impact our activities may have on these areas and how they may affect the wildlife that live there.

Our vision is for clean, healthy, safe, productive and biologically diverse oceans and seas.

Latest news

20/12/17 - Stakeholder Register Launched

We are improving the way we communicate with stakeholders. If you would like to remain informed on matters relating to Marine and Fisheries policy, please sign up to the stakeholder register.

07/12/17 - Marine planning for Wales

21/08/17 - Llanfairfechan and Penmaenmawr

Following concerns about the status of razor clam stocks at Llanfairfechan and Penmaenmawr, the Welsh Government has temporarily closed the fisheries until 1st January 2018.

26/06/17 - Three Rivers Cockle Fishery

Three Rivers cockle fishery closure is extended until 31 December 2017.

08/05/2017 - Allocating and Managing Welsh Quota

The Welsh Quota Management Rules are now available to view online.

Contact us 

If you would like more information then please contact us by e-mail: or by telephone:

  • Aberystwyth (General Enquiries, Policy and Quota): 0300 062 2184
  • Swansea (General Enquiries): 0300 025 2454
  • Holyhead (Compliance): 01407 765757
  • Milford Haven (Licensing and Compliance): 0300 025 3500.