Derril Water
7 fish species have been recorded at 2 locations along the Derril Water.
- Fish species
- 7
- Places surveyed
- 2
- Survey visits
- 10
- Records span
- 1993–2022
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 |
|---|---|---|---|---|---|
| MinnowPhoxinus phoxinus | 2 | 2016 | 28 | Median: 5.1 cm28 fish measuredLargest measured minnow: 8.3 cm | — |
| BullheadCottus gobio | 2 | 2022 | 3 | Median: 4.7 cm3 fish measuredLargest measured bullhead: 6.7 cm | — |
| Brown / sea troutSalmo trutta | 2 | 2016 | 9 | Median: 17.7 cm2 fish measuredLargest measured brown / sea trout: 19.3 cm | — |
| Stone loachBarbatula barbatula | 2 | 1999 | — | — | — |
| European eelAnguilla anguilla | 1 | 2010 | 4 | Median: 25.3 cm4 fish measuredLargest measured european eel: 26.5 cm | — |
| Brook lampreyLampetra planeri | 1 | 2010 | 5 | Median: 12 cm5 fish measuredLargest measured brook lamprey: 13 cm | — |
| DaceLeuciscus leuciscus | 1 | 2010 | 4 | Median: 8 cm4 fish measuredLargest measured dace: 8.8 cm | — |
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 Derril Water. 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 →