As Fishing seems to be getting discussed a lot today. With endless amounts of nonsense on both sides of the argument. I've put together a little AIS thread of the locations of the vessels that can & do deal with fishing enforcements in the UK.

HMS Tyne a Batch 1 OPV. Part of the Royal Navy Offshore Division.

https://www.marinetraffic.com/en/ais/details/ships/shipid:185974/mmsi:234605000/imo:9261322/vessel:TYNE

HMS Severn a Batch 1 OPV. Part of the Royal Navy Offshore Division

https://www.marinetraffic.com/en/ais/details/ships/shipid:185986/mmsi:234623000/imo:9261334/vessel:HMS_SEVERN

HMS Mersey a Batch 1 OPV. Part of the Royal Navy Offshore Division.

https://www.marinetraffic.com/en/ais/details/ships/shipid:186010/mmsi:234637000/imo:9261346/vessel:HMS_MERSEY

HMS Trent a Batch 2 OPV. Part of the Royal Navy Overseas Patrol Squadron.

https://www.marinetraffic.com/en/ais/details/ships/shipid:5719908/mmsi:232005754/imo:9752072/vessel:WARSHIP_TRENT

HMS Tamar a Batch 2 OPV. Part of the Royal Navy Overseas Patrol Squadron.

https://www.marinetraffic.com/en/ais/details/ships/shipid:5969378/mmsi:232015625/imo:9819301/vessel:TAMAR

HMS Spey a Batch 2 OPV. Part of the Royal Navy Overseas Patrol Squadron.

https://www.marinetraffic.com/en/ais/home/shipid:6156347/zoom:10

FPV Rhodri Morgan Marine and Fisheries Division Wales

https://www.marinetraffic.com/en/ais/details/ships/shipid:5777742/mmsi:232014522/imo:0/vessel:FPV_RHODRI_MORGAN

FPV Lady Megan Marine and Fisheries Division Wales

https://www.marinetraffic.com/en/ais/details/ships/shipid:5701633/mmsi:232014527/imo:0/vessel:FPV_LADY_MEGAN

FPV Catrin Marine and Fisheries Division Wales
https://www.marinetraffic.com/en/ais/details/ships/shipid:5397337/mmsi:232012923/imo:0/vessel:FPV_CATRIN

MPV Minna Scottish Fisheries
https://www.marinetraffic.com/en/ais/details/ships/shipid:203197/mmsi:235710000/imo:9266712/vessel:MINNA

MPV Jura Scottish Fisheries
https://www.marinetraffic.com/en/ais/details/ships/shipid:188664/mmsi:235010460/imo:9319624/vessel:JURA

MPV Hirta Scottish Fisheries
https://www.marinetraffic.com/en/ais/details/ships/shipid:193097/mmsi:235061329/imo:9386794/vessel:HIRTA

Ocean Osprey Marine Management Organisation
https://www.marinetraffic.com/en/ais/details/ships/shipid:200829/mmsi:235100661/imo:9666962/vessel:OCEAN_OSPREY

Saint Piran IFCA Cornwall

Watchfull Sussex IFCA.

https://www.marinetraffic.com/en/ais/details/ships/shipid:189200/mmsi:235013918/imo:0/vessel:WATCHFUL

Nerissa Kent & Essex IFCA. https://www.marinetraffic.com/da/ais/details/ships/shipid:4695879/mmsi:235116398/imo:0/vessel:NERISSA

Tamesis Kent & Essex IFCA

https://www.marinetraffic.com/uk/ais/details/ships/shipid:197761/mmsi:235086151/imo:0/vessel:TAMESIS

NE Guardian III North East IFCA
https://www.marinetraffic.com/en/ais/details/ships/shipid:192744/mmsi:235059422/imo:0/vessel:N_E_GUARDIAN_III

NW Protector North West http://IFCA.marinetraffic.com/en/ais/details/ships/shipid:194947/mmsi:235072404/imo:0/vessel:NW_PROTECTOR

HMC Sentinel UK Border Force https://www.marinetraffic.com/en/ais/details/ships/shipid:194129/mmsi:235067855/imo:0/vessel:SENTINEL

HMC Seeker UK Border Force https://www.marinetraffic.com/en/ais/details/ships/shipid:196808/mmsi:235082000/imo:9234795/vessel:SEEKER

HMC Searcher UK Border Force https://www.marinetraffic.com/en/ais/details/ships/shipid:196592/mmsi:235081000/imo:9234800/vessel:SEARCHER

HMC Vigilant UK Border Force https://www.marinetraffic.com/en/ais/details/ships/shipid:202670/mmsi:235521000/imo:9276353/vessel:VIGILANT

HMC Valiant UK Border Force https://www.marinetraffic.com/en/ais/details/ships/shipid:203256/mmsi:235745000/imo:9293698/vessel:VALIANT

HMC Protector UK Border Force
https://www.vesselfinder.com/?imo=4544107 

End of thread, for reference here is a list from @TheBrit96 containing all the vessels https://twitter.com/TheBrit96/status/1337774509303140360?s=20