Jan 2020 New Salmon and Sea Trout NRW Byelaws

Natural Resources Wales (NRW) have introduced a new set of byelaws (from Jan 2020) to help protect the salmon and sea trout stocks in Wales

The byelaws can be summarised as follows:


  • All salmon must be released with minimum injury and delay
  • No worm fishing for salmon
  • Fly and spin only
  • Shrimp and prawn fishing allowed from 1st September to the end of permitted baits period (note; the end date varies from river to river,  shrimp and prawn baits are not allowed on the River Wye and tributaries at any time)

Sea trout

  • All sea trout must be released with minimum injury and delay before 1st May on the rivers: Tywi, Taf, Western Cleddau, Eastern Cleddau, Teifi, River Dyfi,  Rhymney, Usk, Tawe,  Loughor,  Gwendraeth,  Aeron,  Ystwyth, Dysynni, Taff , Ely, Afan, Neath, Artro, Glaslyn, Dwyryd, Seiont,  Nevern.

No bait fishing for sea trout during this period

  • All sea trout greater than 60cm (approx. 5lb12oz) must be released with minimum injury and delay on all catchments all year.
  • Bait fishing for sea trout allowed only outside catch and release period, with small hook gape size 8mm  (approximately size 8) and a single worm


  • All hooks for salmon and sea trout must be barbless or debarbed
  • No trebles on spinners. spoons or plugs (singles only with a maximum 13mm gape)
  • Up to 3 barbless singles may be used on a plug
  • Flies – small trebles allowed up to 7mm gape (approximately size 8)
  • If larger singles or doubles must be debarbed/barbless
  • Tandem and ‘secret’ weapon flies are allowed – up to 4 points, trebles must be less than 7mm, all hooks must be barbless

NRW have updated our web pages with the new byelaws and can be found at https://naturalresources.wales/guidance-and-advice/business-sectors/fisheries/?lang=en

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