Thames · Environment Agency surveys
What fish are in the TWARP reaches of the Thames?
Monitoring has recorded 24 species across 21 surveyed sites on this water, between 1993 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.
- BleakAlburnus alburnus21 siteslatest 20 Jul 2025
- PikeEsox lucius20 siteslatest 20 Jul 2025
- RoachRutilus rutilus20 siteslatest 20 Jul 2025
- ChubLeuciscus cephalus19 siteslatest 20 Jul 2025
- Common breamAbramis brama18 siteslatest 20 Jul 2025
- PerchPerca fluviatilis18 siteslatest 20 Jul 2025
- DaceLeuciscus leuciscus17 siteslatest 20 Jul 2025
- GudgeonGobio gobio16 siteslatest 15 Jul 2025
- Silver breamAbramis bjoerkna16 siteslatest 10 Jul 2025
- TenchTinca tinca15 siteslatest 20 Jul 2025
- BarbelBarbus barbus14 siteslatest 20 Jul 2025
- European eelAnguilla anguilla13 siteslatest 23 Jul 2023
- RuffeGymnocephalus cernuus10 siteslatest 19 Jul 2023
- Roach x common bream hybridRutilus rutilus x Abramis brama9 siteslatest 4 Jul 2018
- European eels > elversAnguilla anguilla8 siteslatest 22 Jul 2019
- RuddScardinius erythrophthalmus7 siteslatest 18 Jul 2025
- Common carp varietiesCyprinus carpio5 siteslatest 13 Jul 2024
- ZanderSander lucioperca5 siteslatest 9 Jul 2025
- Common [wild] carpCyprinus carpio4 siteslatest 3 Jul 2014
- Mirror carpCyprinus carpio3 siteslatest 21 Jul 2012
- Brown / sea troutSalmo trutta2 siteslatest 14 Jul 2024
- Ghost carpCyprinus carpio1 sitelatest 21 Jul 2012
- Golden ruddScardinius erythrophthalmus1 sitelatest 5 Jul 2000
- Roach x silver bream hybridRutilus rutilus x Abramis bjoerkna1 sitelatest 16 Jul 2015
Surveyed sites on this water
21 shown, newest survey first
Days - Benson (Margin)
- Survey events
- 29
- Observed taxa
- 18
- Latest survey
- 20 Jul 2025
Days weirpool
- Survey events
- 15
- Observed taxa
- 13
- Latest survey
- 20 Jul 2025
Clifton Hampden - Days (Margin)
- Survey events
- 29
- Observed taxa
- 18
- Latest survey
- 19 Jul 2025
Clifton Weir Stream
- Survey events
- 15
- Observed taxa
- 13
- Latest survey
- 19 Jul 2025
Culham - Clifton Hampden (Margin)
- Survey events
- 29
- Observed taxa
- 18
- Latest survey
- 18 Jul 2025
Culham Weirpool
- Survey events
- 14
- Observed taxa
- 16
- Latest survey
- 18 Jul 2025
Abingdon - Culham (Margin)
- Survey events
- 30
- Observed taxa
- 16
- Latest survey
- 15 Jul 2025
Abingdon Weirpool
- Survey events
- 14
- Observed taxa
- 12
- Latest survey
- 15 Jul 2025
Sandford - Abingdon - (Margin)
- Survey events
- 30
- Observed taxa
- 20
- Latest survey
- 10 Jul 2025
Sandford Weir stream
- Survey events
- 9
- Observed taxa
- 12
- Latest survey
- 10 Jul 2025
Iffley - Sandford (Margin)
- Survey events
- 24
- Observed taxa
- 16
- Latest survey
- 9 Jul 2025
Days - Benson (daytime)
- Survey events
- 1
- Observed taxa
- 4
- Latest survey
- 11 Jul 2018
Days weirpool (daytime)
- Survey events
- 1
- Observed taxa
- 2
- Latest survey
- 11 Jul 2018
Sutton Pools
- Survey events
- 1
- Observed taxa
- 8
- Latest survey
- 7 Oct 2014
Days Lock
- Survey events
- 1
- Observed taxa
- 2
- Latest survey
- 5 Jul 2014
Days - Benson (Middle)
- Survey events
- 12
- Observed taxa
- 13
- Latest survey
- 9 Jul 2005
Clifton Hampden - Days (Middle)
- Survey events
- 12
- Observed taxa
- 13
- Latest survey
- 8 Jul 2005
Culham - Clifton Hampden (Middle)
- Survey events
- 12
- Observed taxa
- 14
- Latest survey
- 7 Jul 2005
Abingdon - Culham (Middle)
- Survey events
- 12
- Observed taxa
- 14
- Latest survey
- 6 Jul 2005
Sandford - Abingdon - Middle
- Survey events
- 12
- Observed taxa
- 13
- Latest survey
- 5 Jul 2005
Iffley - Sandford (Middle)
- Survey events
- 6
- Observed taxa
- 8
- Latest survey
- 4 Jul 2005
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