Main River Hems
6 fish species have been recorded at 2 locations along the Main River Hems.
- Fish species
- 6
- Places surveyed
- 2
- Survey visits
- 10
- Records span
- 1996–2024
Local EA evidence
Where fish were recorded
Choose a point on the map to see what was recorded there.
Check local permissions before fishing.
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 | 2 | 2024 | 311 | Median: 16.5 cm44 fish measuredLargest measured brown / sea trout: 36.5 cm | — |
| European eelAnguilla anguilla | 2 | 2024 | 14 | Median: 24.2 cm12 fish measuredLargest measured european eel: 49.3 cm | — |
| BullheadCottus gobio | 2 | 2024 | 396 | Median: 4.9 cm50 fish measuredLargest measured bullhead: 7.1 cm | — |
| MinnowPhoxinus phoxinus | 2 | 2024 | 42 | Median: 8.5 cm3 fish measuredLargest measured minnow: 8.7 cm | — |
| Atlantic salmonSalmo salar | 1 | 2014 | 38 | Median: 11.5 cm15 fish measuredLargest measured atlantic salmon: 14 cm | — |
| Stone loachBarbatula barbatula | 1 | 1999 | — | — | — |
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 Main River Hems. 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 →