River Lambourn
14 fish species have been recorded at 12 locations along the River Lambourn.
- Fish species
- 14
- Places surveyed
- 12
- Survey visits
- 84
- Records span
- 2000–2025
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 |
|---|---|---|---|---|---|
| Brown / sea troutSalmo trutta | 12 | 2025 | 10,808 | Median: 17.1 cm10,808 fish measuredLargest measured brown / sea trout: 76.4 cm | — |
| BullheadCottus gobio | 11 | 2025 | 5 | Median: 9.3 cm5 fish measuredLargest measured bullhead: 10.1 cm | — |
| GraylingThymallus thymallus | 10 | 2025 | 1,407 | Median: 19.8 cm1,407 fish measuredLargest measured grayling: 45.2 cm | — |
| Brook lampreyLampetra planeri | 7 | 2017 | 4 | — | — |
| 3-spined sticklebackGasterosteus aculeatus | 5 | 2022 | — | — | — |
| PikeEsox lucius | 5 | 2014 | 274 | Median: 26.9 cm274 fish measuredLargest measured pike: 86.5 cm | — |
| MinnowPhoxinus phoxinus | 5 | 2014 | 204 | Median: 5.2 cm204 fish measuredLargest measured minnow: 9.2 cm | — |
| Atlantic salmonSalmo salar | 5 | 2006 | 890 | Median: 9.9 cm890 fish measuredLargest measured atlantic salmon: 21.8 cm | — |
| RoachRutilus rutilus | 5 | 2014 | 357 | Median: 15.9 cm357 fish measuredLargest measured roach: 25.3 cm | — |
| Stone loachBarbatula barbatula | 5 | 2013 | 1 | Recorded length: 10.1 cm1 fish measuredView stone loach measurement → | — |
| PerchPerca fluviatilis | 2 | 2009 | 12 | Median: 24.3 cm12 fish measuredLargest measured perch: 28 cm | — |
| 10-spined sticklebackPungitius pungitius | 1 | 2007 | — | — | — |
| DaceLeuciscus leuciscus | 1 | 2009 | 3 | Median: 20.6 cm3 fish measuredLargest measured dace: 21.2 cm | — |
| RuddScardinius erythrophthalmus | 1 | 2011 | 1 | Recorded length: 16.3 cm1 fish measured | — |
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 Lambourn. 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 →