River Marlow - Cookham
21 fish species have been recorded at 4 locations along the River Marlow - Cookham.
- Fish species
- 21
- Places surveyed
- 4
- Survey visits
- 35
- Records span
- 1995–2025
Local EA evidence
Where fish were recorded
Choose a point on the map to see what was recorded there.
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River conditions
Environment Agency evidence
Fish found in this river
Open a linked fish for detailed measurements, or use the map filter above to compare survey locations.
| Fish | Sites | Most recent | Fish counted | Measured length | Measured weight |
|---|---|---|---|---|---|
| BleakAlburnus alburnus | 4 | 2025 | 1,640 | Median: 9.3 cm1,288 fish measuredLargest measured bleak: 14.9 cm | — |
| PerchPerca fluviatilis | 4 | 2025 | 565 | Median: 15.7 cm513 fish measuredLargest measured perch: 46 cm | — |
| PikeEsox lucius | 4 | 2025 | 272 | Median: 59.2 cm262 fish measuredLargest measured pike: 99.5 cm | — |
| RoachRutilus rutilus | 4 | 2025 | 2,739 | Median: 10.8 cm2,294 fish measuredLargest measured roach: 27.3 cm | — |
| ChubLeuciscus cephalus | 4 | 2024 | 219 | Median: 18.8 cm191 fish measuredLargest measured chub: 55.3 cm | — |
| DaceLeuciscus leuciscus | 4 | 2025 | 875 | Median: 12.1 cm663 fish measuredLargest measured dace: 23.5 cm | — |
| GudgeonGobio gobio | 4 | 2023 | 302 | Median: 10 cm296 fish measuredLargest measured gudgeon: 13.3 cm | — |
| European eelAnguilla anguilla | 3 | 2025 | 246 | Median: 68 cm244 fish measuredLargest measured european eel: 95 cm | — |
| Common breamAbramis brama | 3 | 2009 | 8 | Median: 52.5 cm5 fish measuredLargest measured common bream: 53 cm | — |
| BarbelBarbus barbus | 2 | 2018 | 7 | Median: 60.1 cm6 fish measuredLargest measured barbel: 68 cm | — |
| Common carpCyprinus carpio | 2 | 2009 | 8 | Median: 68.4 cm8 fish measuredLargest measured common carp: 89 cm | — |
| RuffeGymnocephalus cernuus | 2 | 2011 | 5 | Median: 11 cm5 fish measuredLargest measured ruffe: 11.6 cm | — |
| TenchTinca tinca | 1 | 2019 | 13 | Median: 37.2 cm12 fish measuredLargest measured tench: 48.4 cm | — |
| MinnowPhoxinus phoxinus | 1 | 2014 | — | — | — |
| BullheadCottus gobio | 1 | 2008 | — | — | — |
| Silver breamAbramis bjoerkna | 1 | 2009 | 8 | Median: 18 cm8 fish measuredLargest measured silver bream: 22.2 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 1 | 2013 | — | — | — |
| Atlantic salmonSalmo salar | 1 | 2014 | 1 | Recorded length: 60 cm1 fish measured | — |
| Brown / sea troutSalmo trutta | 1 | 2014 | 1 | Recorded length: 21.6 cm1 fish measured | — |
| RuddScardinius erythrophthalmus | 1 | 2018 | 1 | Recorded length: 9.9 cm1 fish measured | — |
| Stone loachBarbatula barbatula | 1 | 2013 | — | — | — |
EA surveys have recorded these fish at particular sites and times. Absence from a survey is not evidence that a species is absent from the river. Every valid individual length and weight is retained, with its sample size shown.
Useful context
This page follows survey locations along the main River Marlow - Cookham. Tributaries and unrelated rivers with similar names are kept separate.
The map shows past fish records, not fishing access or a promise of what you’ll catch today.
How RiverFish handles the data →