River Main Plym
7 fish species have been recorded at 13 locations along the River Main Plym.
- Fish species
- 7
- Places surveyed
- 13
- Survey visits
- 67
- Records span
- 1982–2025
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 |
|---|---|---|---|---|---|
| European eelAnguilla anguilla | 12 | 2025 | 1,559 | Median: 18 cm1,082 fish measuredLargest measured european eel: 70 cm | — |
| Brown / sea troutSalmo trutta | 11 | 2025 | 5,133 | Median: 9.6 cm1,579 fish measuredLargest measured brown / sea trout: 64.1 cm | — |
| Atlantic salmonSalmo salar | 11 | 2025 | 2,705 | Median: 6.7 cm1,277 fish measuredLargest measured atlantic salmon: 17.2 cm | — |
| BullheadCottus gobio | 7 | 2025 | 555 | Median: 5.8 cm450 fish measuredLargest measured bullhead: 8.7 cm | — |
| MinnowPhoxinus phoxinus | 3 | 2025 | 78 | Median: 5.5 cm78 fish measuredLargest measured minnow: 7.8 cm | — |
| Brook lampreyLampetra planeri | 2 | 2025 | 58 | Median: 9.8 cm58 fish measuredLargest measured brook lamprey: 16.1 cm | — |
| FlounderPlatichthys flesus | 1 | 2025 | 4 | Median: 15.4 cm4 fish measuredLargest measured flounder: 26.8 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 River Main Plym. 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 →