ARAnglerRadar evidence & rules

Lincolnshire and Northamptonshire · Environment Agency surveys

What fish are in the R.Slea?

Monitoring has recorded 24 species across 17 surveyed sites on this water, between 1985 and 2024. These are survey records with dates. They do not establish what is present today, that the water is fishable, or that you have permission to fish it.

Recorded species

What monitoring has found here

Ordered by how many sites on this water recorded the species. A species not listed has not been recorded by these surveys — which is not the same as being absent.

  1. European eels > elversAnguilla anguilla14 siteslatest 20 Sept 2024
  2. RoachRutilus rutilus13 siteslatest 19 Oct 2023
  3. GudgeonGobio gobio11 siteslatest 11 Oct 2018
  4. 3-spined sticklebackGasterosteus aculeatus10 siteslatest 19 Oct 2023
  5. DaceLeuciscus leuciscus10 siteslatest 19 Oct 2023
  6. PerchPerca fluviatilis8 siteslatest 25 Jul 2023
  7. PikeEsox lucius8 siteslatest 25 Jul 2023
  8. Brown / sea troutSalmo trutta7 siteslatest 20 Sept 2024
  9. Roach x common bream hybridRutilus rutilus x Abramis brama7 siteslatest 18 Oct 2013
  10. RuddScardinius erythrophthalmus7 siteslatest 18 Oct 2013
  11. RuffeGymnocephalus cernuus7 siteslatest 4 Oct 2017
  12. ChubLeuciscus cephalus6 siteslatest 23 Sept 2014
  13. Common breamAbramis brama6 siteslatest 1 Oct 2014
  14. Silver breamAbramis bjoerkna6 siteslatest 5 Jul 2011
  15. Stone loachBarbatula barbatula6 siteslatest 19 Oct 2023
  16. Spined loachCobitis taenia5 siteslatest 6 Oct 2017
  17. TenchTinca tinca3 siteslatest 5 Jul 2011
  18. 10-spined sticklebackPungitius pungitius2 siteslatest 14 Apr 2005
  19. European eelAnguilla anguilla2 siteslatest 19 Oct 2023
  20. BleakAlburnus alburnus1 sitelatest 18 Oct 2013
  21. Crucian carpCarassius carassius1 sitelatest 18 Mar 1994
  22. FlounderPlatichthys flesus1 sitelatest 18 Sept 1998
  23. Roach x rudd hybridRutilus rutilus x Scardinius erythrophthalmus1 sitelatest 2 Jul 1997
  24. Roach x silver bream hybridRutilus rutilus x Abramis bjoerkna1 sitelatest 2 Jul 1997

Surveyed sites on this water

17 shown, newest survey first

Provenance

Source and licence

  • SourceEnvironment Agency Ecology & Fish Data
  • LicenceOpen Government Licence v3.0
  • Source copy retrieved23 Jul 2026
  • Waterbody nameAs published by the Environment Agency
  • Not assertedCurrent presence, access, permission, fishing quality or safety