River Gaunless
11 fish species have been recorded at 13 locations along the River Gaunless.
- Fish species
- 11
- Places surveyed
- 13
- Survey visits
- 68
- Records span
- 2002–2025
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 | 13 | 2025 | 7,203 | Median: 7.7 cm4,617 fish measuredLargest measured brown / sea trout: 32.5 cm | — |
| BullheadCottus gobio | 13 | 2025 | 2,279 | Median: 7.1 cm46 fish measuredLargest measured bullhead: 9.2 cm | — |
| MinnowPhoxinus phoxinus | 12 | 2025 | 1,712 | Median: 6.9 cm4 fish measuredLargest measured minnow: 7.5 cm | — |
| Stone loachBarbatula barbatula | 11 | 2025 | 537 | Median: 8.4 cm8 fish measuredLargest measured stone loach: 10 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 10 | 2025 | 479 | Median: 4.1 cm2 fish measuredLargest measured 3-spined stickleback: 4.8 cm | — |
| European eelAnguilla anguilla | 7 | 2025 | 37 | Median: 37.1 cm36 fish measuredLargest measured european eel: 66.6 cm | — |
| Atlantic salmonSalmo salar | 4 | 2023 | 80 | Median: 7.4 cm80 fish measuredLargest measured atlantic salmon: 15.1 cm | — |
| Brook lampreyLampetra planeri | 1 | 2003 | — | — | — |
| ChubLeuciscus cephalus | 1 | 2013 | 1 | Recorded length: 16.5 cm1 fish measured | — |
| GraylingThymallus thymallus | 1 | 2017 | 1 | Recorded length: 7.4 cm1 fish measured | — |
| River lampreyLampetra fluviatilis | 1 | 2011 | 2 | Median: 11 cm2 fish measuredLargest measured river lamprey: 11.2 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 Gaunless. 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 →