River Main Haddeo
10 fish species have been recorded at 12 locations along the River Main Haddeo.
- Fish species
- 10
- Places surveyed
- 12
- Survey visits
- 88
- Records span
- 1997–2025
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 | 4,475 | Median: 8.3 cm2,390 fish measuredLargest measured brown / sea trout: 35.3 cm | — |
| BullheadCottus gobio | 12 | 2025 | 2,432 | Median: 6.2 cm350 fish measuredLargest measured bullhead: 9.4 cm | — |
| Atlantic salmonSalmo salar | 11 | 2025 | 2,434 | Median: 6.7 cm1,397 fish measuredLargest measured atlantic salmon: 18.9 cm | — |
| Stone loachBarbatula barbatula | 10 | 2025 | 201 | Median: 8.5 cm67 fish measuredLargest measured stone loach: 14.8 cm | — |
| European eelAnguilla anguilla | 8 | 2025 | 50 | Median: 35 cm45 fish measuredLargest measured european eel: 60 cm | — |
| MinnowPhoxinus phoxinus | 7 | 2025 | 293 | Median: 5.7 cm78 fish measuredLargest measured minnow: 8.8 cm | — |
| Rainbow troutOncorhynchus mykiss | 5 | 2007 | 2 | Recorded length: 17 cm1 fish measuredView rainbow trout measurement → | — |
| GraylingThymallus thymallus | 4 | 2022 | 11 | Median: 19.6 cm11 fish measuredLargest measured grayling: 27.5 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 3 | 2015 | 17 | — | — |
| RoachRutilus rutilus | 1 | 2022 | 1 | Recorded length: 6.7 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 Main Haddeo. 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 →