River Douglas
20 fish species have been recorded at 29 locations along the River Douglas.
- Fish species
- 20
- Places surveyed
- 29
- Survey visits
- 100
- Records span
- 1991–2024
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 |
|---|---|---|---|---|---|
| RoachRutilus rutilus | 18 | 2024 | 383 | Median: 12 cm382 fish measuredLargest measured roach: 31 cm | Median: 0.9 oz (0.0255 kg)36 fish weighedLargest measured: 9.2 oz (0.26 kg) |
| ChubLeuciscus cephalus | 14 | 2024 | 440 | Median: 20.6 cm440 fish measuredLargest measured chub: 44.5 cm | Median: 0.6 oz (0.016 kg)36 fish weighedLargest measured: 1 lb 9.9 oz (0.735 kg) |
| GudgeonGobio gobio | 14 | 2024 | 121 | Median: 11.5 cm121 fish measuredLargest measured gudgeon: 15 cm | Median: 0.4 oz (0.012 kg)2 fish weighedLargest measured: 0.5 oz (0.015 kg) |
| 3-spined sticklebackGasterosteus aculeatus | 13 | 2016 | — | — | — |
| DaceLeuciscus leuciscus | 12 | 2024 | 250 | Median: 15.4 cm250 fish measuredLargest measured dace: 23.9 cm | Median: 0.9 oz (0.025 kg)16 fish weighedLargest measured: 2.6 oz (0.075 kg) |
| European eelAnguilla anguilla | 11 | 2024 | 684 | Median: 19 cm683 fish measuredLargest measured european eel: 63 cm | Recorded weight: 3.5 oz (0.1 kg)1 fish weighed |
| PerchPerca fluviatilis | 9 | 2024 | 104 | Median: 9.9 cm104 fish measuredLargest measured perch: 25 cm | Median: 0.7 oz (0.0185 kg)8 fish weighedLargest measured: 4.2 oz (0.12 kg) |
| PikeEsox lucius | 9 | 2024 | 11 | Median: 51 cm11 fish measuredLargest measured pike: 60.5 cm | Recorded weight: 7.1 oz (0.2 kg)1 fish weighed |
| Brown / sea troutSalmo trutta | 8 | 2024 | 535 | Median: 11.9 cm480 fish measuredLargest measured brown / sea trout: 36.4 cm | Median: 3.7 oz (0.1055 kg)4 fish weighedLargest measured: 14.6 oz (0.415 kg) |
| BullheadCottus gobio | 8 | 2013 | — | — | — |
| Stone loachBarbatula barbatula | 6 | 2024 | — | — | — |
| FlounderPlatichthys flesus | 4 | 2016 | 7 | Median: 22.5 cm7 fish measuredLargest measured flounder: 26 cm | — |
| Brook lampreyLampetra planeri | 3 | 2017 | 188 | Median: 11 cm109 fish measuredLargest measured brook lamprey: 17 cm | — |
| Common breamAbramis brama | 2 | 2006 | 13 | Median: 20 cm13 fish measuredLargest measured common bream: 23.7 cm | Median: 3.4 oz (0.095 kg)3 fish weighedLargest measured: 5.8 oz (0.165 kg) |
| MinnowPhoxinus phoxinus | 2 | 2014 | — | — | — |
| Common carpCyprinus carpio | 2 | 2005 | 3 | Median: 20 cm3 fish measuredLargest measured common carp: 20.5 cm | — |
| RuffeGymnocephalus cernuus | 2 | 2014 | 3 | Median: 8.5 cm3 fish measuredLargest measured ruffe: 11.4 cm | — |
| Silver breamAbramis bjoerkna | 2 | 1995 | 2 | Median: 27.8 cm2 fish measuredLargest measured silver bream: 33 cm | — |
| Crucian carpCarassius carassius | 1 | 2013 | 1 | Recorded length: 21.5 cm1 fish measured | — |
| RuddScardinius erythrophthalmus | 1 | 2002 | 1 | Recorded length: 14 cm1 fish measured | Recorded weight: 0.5 oz (0.015 kg)1 fish weighed |
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 Douglas. 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 →