Kent, South London and East Sussex · Environment Agency surveys
What fish are in the Len?
Monitoring has recorded 21 species across 7 surveyed sites on this water, between 2002 and 2023. 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.
- GudgeonGobio gobio6 siteslatest 24 Jul 2023
- European eelAnguilla anguilla5 siteslatest 19 Apr 2011
- BullheadCottus gobio4 siteslatest 24 Jul 2023
- ChubLeuciscus cephalus4 siteslatest 24 Jul 2023
- Common breamAbramis brama4 siteslatest 24 Jul 2023
- PerchPerca fluviatilis4 siteslatest 24 Jul 2023
- PikeEsox lucius4 siteslatest 24 Jul 2023
- RoachRutilus rutilus4 siteslatest 24 Jul 2023
- Brown / sea troutSalmo trutta3 siteslatest 1 Sept 2017
- Common [wild] carpCyprinus carpio3 siteslatest 12 Jul 2023
- European eels > elversAnguilla anguilla3 siteslatest 24 Jul 2023
- RuddScardinius erythrophthalmus3 siteslatest 24 Jul 2023
- 3-spined sticklebackGasterosteus aculeatus2 siteslatest 19 Apr 2011
- DaceLeuciscus leuciscus2 siteslatest 7 Sept 2011
- Stone loachBarbatula barbatula2 siteslatest 1 Sept 2017
- TenchTinca tinca2 siteslatest 8 Oct 2009
- BarbelBarbus barbus1 sitelatest 12 Jul 2023
- BleakAlburnus alburnus1 sitelatest 24 Jul 2023
- Mirror carpCyprinus carpio1 sitelatest 16 Aug 2004
- Roach x common bream hybridRutilus rutilus x Abramis brama1 sitelatest 1 Aug 2017
- Silver breamAbramis bjoerkna1 sitelatest 24 Jul 2023
Surveyed sites on this water
7 shown, newest survey first
Turkey Mill
- Survey events
- 5
- Observed taxa
- 15
- Latest survey
- 24 Jul 2023
Fulling Mill
- Survey events
- 5
- Observed taxa
- 14
- Latest survey
- 12 Jul 2023
Thurnham Mill
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 1 Sept 2017
Chegworth
- Survey events
- 2
- Observed taxa
- 5
- Latest survey
- 19 Apr 2011
Leeds Castle 1
- Survey events
- 1
- Observed taxa
- 8
- Latest survey
- 8 Oct 2009
Leeds Castle U/S
- Survey events
- 1
- Observed taxa
- 3
- Latest survey
- 8 Oct 2009
Caring Lane
- Survey events
- 1
- Observed taxa
- 9
- Latest survey
- 2 Oct 2009
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