River Leven
13 fish species have been recorded at 18 locations along the River Leven.
- Fish species
- 13
- Places surveyed
- 18
- Survey visits
- 123
- Records span
- 1992–2024
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 | 18 | 2024 | 1,185 | Median: 10.5 cm34 fish measuredLargest measured brown / sea trout: 23 cm | — |
| Atlantic salmonSalmo salar | 18 | 2024 | 10,632 | Median: 6.9 cm301 fish measuredLargest measured atlantic salmon: 16.2 cm | — |
| European eelAnguilla anguilla | 16 | 2024 | 4,376 | Median: 15 cm1,631 fish measuredLargest measured european eel: 60 cm | — |
| BullheadCottus gobio | 15 | 2024 | — | — | — |
| 3-spined sticklebackGasterosteus aculeatus | 9 | 2023 | — | — | — |
| Stone loachBarbatula barbatula | 8 | 2021 | — | — | — |
| RoachRutilus rutilus | 7 | 2023 | 89 | Median: 4.5 cm89 fish measuredLargest measured roach: 5.6 cm | — |
| PerchPerca fluviatilis | 5 | 2023 | 11 | Median: 7 cm11 fish measuredLargest measured perch: 10.5 cm | — |
| PikeEsox lucius | 4 | 2014 | 2 | Median: 25.3 cm2 fish measuredLargest measured pike: 27 cm | — |
| MinnowPhoxinus phoxinus | 3 | 2015 | — | — | — |
| River lampreyLampetra fluviatilis | 3 | 2009 | — | — | — |
| FlounderPlatichthys flesus | 1 | 2014 | 6 | — | — |
| Sand gobyPomatoschistus minutus | 1 | 2014 | — | — | — |
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 Leven. 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 →