Old River Lea
20 fish species have been recorded at 2 locations along the Old River Lea.
- Fish species
- 20
- Places surveyed
- 2
- Survey visits
- 16
- Records span
- 2004–2026
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 |
|---|---|---|---|---|---|
| PerchPerca fluviatilis | 2 | 2026 | 385 | Median: 11.4 cm385 fish measuredLargest measured perch: 43.8 cm | — |
| RoachRutilus rutilus | 2 | 2026 | 2,278 | Median: 9.7 cm2,278 fish measuredLargest measured roach: 25.9 cm | — |
| ChubLeuciscus cephalus | 2 | 2026 | 249 | Median: 18.4 cm249 fish measuredLargest measured chub: 58 cm | — |
| PikeEsox lucius | 2 | 2026 | 154 | Median: 33.1 cm154 fish measuredLargest measured pike: 90.9 cm | — |
| TenchTinca tinca | 2 | 2026 | 52 | Median: 17.6 cm52 fish measuredLargest measured tench: 47.6 cm | — |
| MinnowPhoxinus phoxinus | 2 | 2026 | 56 | Median: 4.2 cm56 fish measuredLargest measured minnow: 6.2 cm | — |
| European eelAnguilla anguilla | 1 | 2026 | 100 | Median: 38.7 cm100 fish measuredLargest measured european eel: 77 cm | — |
| BleakAlburnus alburnus | 1 | 2026 | 1,618 | Median: 10 cm1,618 fish measuredLargest measured bleak: 19.8 cm | — |
| BullheadCottus gobio | 1 | 2026 | 5 | Median: 7.1 cm5 fish measuredLargest measured bullhead: 8.1 cm | — |
| GudgeonGobio gobio | 1 | 2026 | 188 | Median: 9.4 cm188 fish measuredLargest measured gudgeon: 13.7 cm | — |
| DaceLeuciscus leuciscus | 1 | 2023 | 642 | Median: 10.4 cm642 fish measuredLargest measured dace: 22.9 cm | — |
| Stone loachBarbatula barbatula | 1 | 2026 | 7 | Median: 7.9 cm7 fish measuredLargest measured stone loach: 11.1 cm | — |
| Common breamAbramis brama | 1 | 2024 | 70 | Median: 7.7 cm70 fish measuredLargest measured common bream: 19 cm | — |
| RuffeGymnocephalus cernuus | 1 | 2025 | 7 | Median: 11.6 cm7 fish measuredLargest measured ruffe: 12.9 cm | — |
| RuddScardinius erythrophthalmus | 1 | 2024 | 2 | Median: 9.4 cm2 fish measuredLargest measured rudd: 11.6 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 1 | 2023 | — | — | — |
| BarbelBarbus barbus | 1 | 2016 | 2 | Median: 14.6 cm2 fish measuredLargest measured barbel: 14.6 cm | — |
| Brook lampreyLampetra planeri | 1 | 2016 | 3 | Median: 13.1 cm3 fish measuredLargest measured brook lamprey: 15.1 cm | — |
| Brown / sea troutSalmo trutta | 1 | 2017 | 1 | Recorded length: 53.2 cm1 fish measured | — |
| Silver breamAbramis bjoerkna | 1 | 2017 | 3 | Median: 11.3 cm3 fish measuredLargest measured silver bream: 13.6 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 Old River Lea. 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 →