Kent, South London and East Sussex · Environment Agency surveys
What fish are in the Medway - main river?
Monitoring has recorded 41 species across 25 surveyed sites on this water, between 2001 and 2026. 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.
- ChubLeuciscus cephalus22 siteslatest 18 Jun 2026
- GudgeonGobio gobio22 siteslatest 23 Oct 2025
- RoachRutilus rutilus21 siteslatest 18 Jun 2026
- PerchPerca fluviatilis18 siteslatest 18 Jun 2026
- BleakAlburnus alburnus17 siteslatest 18 Jun 2026
- DaceLeuciscus leuciscus17 siteslatest 16 Oct 2025
- MinnowPhoxinus phoxinus16 siteslatest 23 Oct 2025
- Stone loachBarbatula barbatula14 siteslatest 23 Oct 2025
- BullheadCottus gobio13 siteslatest 23 Oct 2025
- PikeEsox lucius12 siteslatest 18 Jun 2026
- Common breamAbramis brama11 siteslatest 18 Jun 2026
- 3-spined sticklebackGasterosteus aculeatus9 siteslatest 28 May 2025
- Brown / sea troutSalmo trutta9 siteslatest 23 Oct 2025
- Pike varietiesEsox lucius9 siteslatest 23 Jul 2024
- RuffeGymnocephalus cernuus9 siteslatest 28 Aug 2025
- European eels > elversAnguilla anguilla7 siteslatest 18 Jun 2026
- Silver breamAbramis bjoerkna7 siteslatest 25 Jul 2023
- TenchTinca tinca7 siteslatest 18 Jun 2026
- Brook lampreyLampetra planeri6 siteslatest 16 Oct 2025
- European eelAnguilla anguilla6 siteslatest 18 Jul 2023
- Freshwater species5 siteslatest 25 Jun 2024
- GraylingThymallus thymallus5 siteslatest 23 Oct 2025
- Lampetra sp.Lampetra5 siteslatest 30 Sept 2022
- RuddScardinius erythrophthalmus5 siteslatest 18 Jun 2026
- BarbelBarbus barbus4 siteslatest 16 Oct 2025
- Common [wild] carpCyprinus carpio3 siteslatest 14 Sept 2022
- Common carp varietiesCyprinus carpio3 siteslatest 3 Oct 2007
- Roach x common bream hybridRutilus rutilus x Abramis brama3 siteslatest 25 Jul 2023
- Mirror carpCyprinus carpio2 siteslatest 28 Aug 2025
- Rudd varietiesScardinius erythrophthalmus2 siteslatest 14 May 2007
- ZanderSander lucioperca2 siteslatest 18 Jun 2026
- Bleak x roach hybridAlburnus alburnus x Rutilus rutilus1 sitelatest 21 Sept 2012
- Brook lamprey > ammocoeteLampetra planeri1 sitelatest 15 Oct 2025
- Dace x bleak hybridLeuciscus leuciscus x Alburnus alburnus1 sitelatest 2 Jul 2015
- European elversAnguilla anguilla1 sitelatest 9 Jun 2022
- Golden orfeLeuciscus idus1 sitelatest 7 Aug 2002
- Goldfish varietiesCarassius auratus1 sitelatest 7 Aug 2002
- Lampetra sp. > ammocoeteLampetra1 sitelatest 1 Oct 2015
- Lamprey sp. > ammocoetePetromyzontidae1 sitelatest 6 Sept 2022
- Rainbow troutOncorhynchus mykiss1 sitelatest 21 Aug 2019
- Tench varietiesTinca tinca1 sitelatest 5 Jun 2007
Surveyed sites on this water
25 shown, newest survey first
Yalding Leas
- Survey events
- 17
- Observed taxa
- 18
- Latest survey
- 18 Jun 2026
Hartfield
- Survey events
- 24
- Observed taxa
- 16
- Latest survey
- 23 Oct 2025
Penshurst
- Survey events
- 22
- Observed taxa
- 20
- Latest survey
- 16 Oct 2025
Fordcombe
- Survey events
- 23
- Observed taxa
- 19
- Latest survey
- 15 Oct 2025
D/s Ashurst Road Bridge
- Survey events
- 23
- Observed taxa
- 17
- Latest survey
- 18 Sept 2025
D/s Weirwood Reservoir
- Survey events
- 22
- Observed taxa
- 24
- Latest survey
- 9 Sept 2025
Sovereign Way Tonbridge
- Survey events
- 14
- Observed taxa
- 19
- Latest survey
- 28 Aug 2025
Tovil
- Survey events
- 14
- Observed taxa
- 15
- Latest survey
- 27 Aug 2025
Teston
- Survey events
- 14
- Observed taxa
- 15
- Latest survey
- 25 Aug 2025
Golden Green
- Survey events
- 16
- Observed taxa
- 14
- Latest survey
- 30 Jul 2025
Hampstead Lock Juvenile Fish Seine Netting Survey
- Survey events
- 10
- Observed taxa
- 8
- Latest survey
- 28 May 2025
Maidstone Juvenile Fish Seine Netting Survey
- Survey events
- 23
- Observed taxa
- 11
- Latest survey
- 28 May 2025
Tonbridge Juvenile Fish Seine Netting Survey
- Survey events
- 22
- Observed taxa
- 12
- Latest survey
- 28 May 2025
Hampstead Lock Juvenile Fish Kick Sampling Survey
- Survey events
- 2
- Observed taxa
- 2
- Latest survey
- 17 Aug 2018
Tonbridge Juvenile Fish Kick Sampling Survey
- Survey events
- 14
- Observed taxa
- 8
- Latest survey
- 17 Aug 2018
Maidstone Juvenile Fish Kick Sampling Survey
- Survey events
- 12
- Observed taxa
- 8
- Latest survey
- 15 Jun 2018
Ashdown House Farm
- Survey events
- 2
- Observed taxa
- 7
- Latest survey
- 25 Aug 2016
Yalding Juvenile Fish Seine Netting Survey
- Survey events
- 10
- Observed taxa
- 11
- Latest survey
- 8 Aug 2016
Yalding Juvenile Fish Kick Sampling Survey
- Survey events
- 7
- Observed taxa
- 1
- Latest survey
- 2 Jul 2015
East Farleigh
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 29 Jul 2014
Bewleys Weir
- Survey events
- 8
- Observed taxa
- 19
- Latest survey
- 3 Sept 2009
Grom/Medway Confluence d/s
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 9 Oct 2007
Grom/Medway Confluence u/s
- Survey events
- 1
- Observed taxa
- 10
- Latest survey
- 9 Oct 2007
Gallypot
- Survey events
- 2
- Observed taxa
- 10
- Latest survey
- 3 Oct 2007
Ham Farm
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 25 Sept 2002
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