Swanside Beck
13 fish species have been recorded at 5 locations along the Swanside Beck.
- Fish species
- 13
- Places surveyed
- 5
- Survey visits
- 46
- Records span
- 1986–2026
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 | 5 | 2026 | 1,873 | Median: 11.9 cm1,544 fish measuredLargest measured brown / sea trout: 55 cm | — |
| Atlantic salmonSalmo salar | 5 | 2026 | 3,070 | Median: 7.3 cm1,978 fish measuredLargest measured atlantic salmon: 17 cm | — |
| BullheadCottus gobio | 5 | 2026 | — | — | — |
| Stone loachBarbatula barbatula | 5 | 2026 | — | — | — |
| MinnowPhoxinus phoxinus | 5 | 2026 | — | — | — |
| European eelAnguilla anguilla | 5 | 2026 | 62 | Median: 33.5 cm58 fish measuredLargest measured european eel: 60 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 3 | 2014 | — | — | — |
| Brook lampreyLampetra planeri | 1 | 2026 | 28 | Median: 13.4 cm28 fish measuredLargest measured brook lamprey: 16 cm | — |
| ChubLeuciscus cephalus | 1 | 2019 | 52 | Median: 5 cm52 fish measuredLargest measured chub: 11.6 cm | — |
| GudgeonGobio gobio | 1 | 2006 | 2 | Median: 8.2 cm2 fish measuredLargest measured gudgeon: 10.8 cm | — |
| DaceLeuciscus leuciscus | 1 | 2004 | 4 | Median: 7.3 cm4 fish measuredLargest measured dace: 7.5 cm | — |
| GraylingThymallus thymallus | 1 | 2026 | 1 | Recorded length: 20.4 cm1 fish measured | — |
| River lampreyLampetra fluviatilis | 1 | 2013 | 3 | Median: 15 cm3 fish measuredLargest measured river lamprey: 15.5 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 Swanside Beck. 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 →