ARAnglerRadar evidence & rules

Hertfordshire and North London · Environment Agency surveys

What fish are in the Chess?

Monitoring has recorded 26 species across 19 surveyed sites on this water, between 1987 and 2025. 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. Brown / sea troutSalmo trutta19 siteslatest 7 Oct 2025
  2. BullheadCottus gobio14 siteslatest 7 Oct 2025
  3. Stone loachBarbatula barbatula13 siteslatest 7 Oct 2025
  4. MinnowPhoxinus phoxinus10 siteslatest 7 Oct 2025
  5. 3-spined sticklebackGasterosteus aculeatus8 siteslatest 7 Oct 2025
  6. GraylingThymallus thymallus7 siteslatest 7 Oct 2025
  7. Atlantic salmonSalmo salar6 siteslatest 15 Dec 1987
  8. GudgeonGobio gobio5 siteslatest 23 Sept 2025
  9. 10-spined sticklebackPungitius pungitius4 siteslatest 7 Mar 2019
  10. ChubLeuciscus cephalus4 siteslatest 23 Sept 2025
  11. European eelAnguilla anguilla4 siteslatest 21 Sept 2012
  12. PerchPerca fluviatilis4 siteslatest 26 Apr 2022
  13. Rainbow troutOncorhynchus mykiss4 siteslatest 20 Sept 2017
  14. RoachRutilus rutilus4 siteslatest 23 Sept 2025
  15. European eels > elversAnguilla anguilla3 siteslatest 22 Sept 2022
  16. DaceLeuciscus leuciscus2 siteslatest 23 Sept 2025
  17. Brook lampreyLampetra planeri1 sitelatest 12 May 2011
  18. Brook lamprey > ammocoeteLampetra planeri1 sitelatest 5 May 2005
  19. Brook lamprey ammocoetesLampetra planeri1 sitelatest 9 May 2017
  20. Common carp varietiesCyprinus carpio1 sitelatest 16 May 2007
  21. Feral [brown] goldfishCarassius auratus1 sitelatest 24 Sept 2015
  22. Golden goldfishCarassius auratus1 sitelatest 24 Sept 2015
  23. Golden ruddScardinius erythrophthalmus1 sitelatest 12 Sept 2008
  24. Koi carpCyprinus carpio1 sitelatest 14 Jul 2004
  25. Lamprey sp. ammocoetesPetromyzontidae1 sitelatest 27 Apr 2006
  26. RuddScardinius erythrophthalmus1 sitelatest 25 Sept 2019

Surveyed sites on this water

19 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