East Anglia · Environment Agency surveys
What fish are in the Mardyke?
Monitoring has recorded 20 species across 6 surveyed sites on this water, between 1986 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.
- 3-spined sticklebackGasterosteus aculeatus6 siteslatest 30 May 2019
- European eels > elversAnguilla anguilla6 siteslatest 2 May 2025
- Common [wild] carpCyprinus carpio5 siteslatest 2 May 2025
- Feral [brown] goldfishCarassius auratus5 siteslatest 4 Jun 2019
- FlounderPlatichthys flesus5 siteslatest 18 May 2007
- GudgeonGobio gobio5 siteslatest 4 Jun 2019
- Mirror carpCyprinus carpio5 siteslatest 4 Jun 2019
- RoachRutilus rutilus5 siteslatest 2 May 2025
- RuddScardinius erythrophthalmus5 siteslatest 2 May 2025
- TenchTinca tinca5 siteslatest 2 May 2025
- DaceLeuciscus leuciscus4 siteslatest 14 May 2007
- PerchPerca fluviatilis4 siteslatest 30 May 2019
- Roach x rudd hybridRutilus rutilus x Scardinius erythrophthalmus4 siteslatest 15 Oct 2001
- 10-spined sticklebackPungitius pungitius3 siteslatest 4 Jun 2019
- ChubLeuciscus cephalus3 siteslatest 14 May 2007
- Common breamAbramis brama3 siteslatest 17 May 2007
- Crucian carpCarassius carassius3 siteslatest 17 May 2007
- European elversAnguilla anguilla1 sitelatest 2 May 2025
- PikeEsox lucius1 sitelatest 2 May 2025
- RuffeGymnocephalus cernuus1 sitelatest 30 May 2019
Surveyed sites on this water
6 shown, newest survey first
North Stifford
- Survey events
- 10
- Observed taxa
- 18
- Latest survey
- 2 May 2025
14 Arches Bridge
- Survey events
- 9
- Observed taxa
- 16
- Latest survey
- 30 May 2019
Grangewater
- Survey events
- 8
- Observed taxa
- 12
- Latest survey
- 23 Apr 2013
Circus Tavern
- Survey events
- 7
- Observed taxa
- 16
- Latest survey
- 18 May 2007
M25-A13
- Survey events
- 7
- Observed taxa
- 14
- Latest survey
- 17 May 2007
War Department Sluice
- Survey events
- 5
- Observed taxa
- 3
- Latest survey
- 19 May 1998
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