Alders Brook
9 fish species have been recorded at 1 location along the Alders Brook.
- Fish species
- 9
- Places surveyed
- 1
- Survey visits
- 4
- Records span
- 2001–2024
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 | 1 | 2024 | 63 | Median: 17.3 cm63 fish measuredLargest measured brown / sea trout: 36 cm | — |
| BullheadCottus gobio | 1 | 2013 | 20 | Median: 4 cm20 fish measuredLargest measured bullhead: 7.9 cm | — |
| MinnowPhoxinus phoxinus | 1 | 2013 | 20 | Median: 6.1 cm20 fish measuredLargest measured minnow: 8.4 cm | — |
| GraylingThymallus thymallus | 1 | 2024 | 3 | Median: 26 cm3 fish measuredLargest measured grayling: 26.4 cm | — |
| Stone loachBarbatula barbatula | 1 | 2013 | 9 | Median: 8.9 cm9 fish measuredLargest measured stone loach: 10.1 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 1 | 2006 | — | — | — |
| Brook lampreyLampetra planeri | 1 | 2013 | 1 | Recorded length: 14.5 cm1 fish measured | — |
| GudgeonGobio gobio | 1 | 2024 | 7 | Median: 10.4 cm7 fish measuredLargest measured gudgeon: 11 cm | — |
| PerchPerca fluviatilis | 1 | 2013 | 1 | Recorded length: 6.1 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 Alders Brook. 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 →