River Wensum (central)
22 fish species have been recorded at 37 locations along the River Wensum (central).
Records updated10 August 2026Most recent survey: 2025
- Fish species
- 22
- Places surveyed
- 37
- Survey visits
- 286
- Records span
- 1986–2025
Local EA evidence
Where fish were recorded
37 of 37 places shown
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 |
|---|---|---|---|---|---|
| PikeEsox lucius | 36 | 2025 | 2,049 | Median: 32.5 cm2,049 fish measuredLargest measured pike: 102 cm | Median: 6 lb 2.8 oz (2.8 kg)11 fish weighedLargest measured: 22 lb 0.7 oz (10 kg) |
| DaceLeuciscus leuciscus | 36 | 2025 | 5,575 | Median: 11.5 cm5,575 fish measuredLargest measured dace: 32.4 cm | Median: 0.7 oz (0.021 kg)5 fish weighedLargest measured: 1.8 oz (0.05 kg) |
| RoachRutilus rutilus | 36 | 2025 | 8,059 | Median: 13.4 cm8,039 fish measuredLargest measured roach: 37.6 cm | Median: 1.5 oz (0.043 kg)82 fish weighedLargest measured: 14.3 oz (0.406 kg) |
| European eelAnguilla anguilla | 35 | 2025 | 4,302 | Median: 57 cm237 fish measuredLargest measured european eel: 86 cm | Median: 13.2 oz (0.375 kg)136 fish weighedLargest measured: 3 lb 13.7 oz (1.75 kg) |
| PerchPerca fluviatilis | 35 | 2025 | 1,493 | Median: 14 cm1,493 fish measuredLargest measured perch: 40.5 cm | Median: 1 lb 13.6 oz (0.8405 kg)2 fish weighedLargest measured: 3 lb 6 oz (1.53 kg) |
| GudgeonGobio gobio | 34 | 2025 | 3,659 | Median: 9.8 cm3,330 fish measuredLargest measured gudgeon: 17.7 cm | — |
| ChubLeuciscus cephalus | 32 | 2025 | 4,186 | Median: 29.5 cm4,169 fish measuredLargest measured chub: 56 cm | Median: 2 lb 11.8 oz (1.24 kg)4 fish weighedLargest measured: 5 lb 12 oz (2.61 kg) |
| MinnowPhoxinus phoxinus | 29 | 2025 | 14,660 | Median: 5.2 cm9,696 fish measuredLargest measured minnow: 9.9 cm | — |
| Stone loachBarbatula barbatula | 29 | 2025 | 2,602 | Median: 7.7 cm2,565 fish measuredLargest measured stone loach: 11.8 cm | — |
| BullheadCottus gobio | 29 | 2025 | 1,442 | Median: 6.2 cm1,442 fish measuredLargest measured bullhead: 11 cm | — |
| Brook lampreyLampetra planeri | 26 | 2025 | 382 | Median: 14.1 cm217 fish measuredLargest measured brook lamprey: 18.5 cm | Median: 0.2 oz (0.006 kg)97 fish weighedLargest measured: 0.4 oz (0.011 kg) |
| TenchTinca tinca | 21 | 2025 | 119 | Median: 23.1 cm119 fish measuredLargest measured tench: 56.7 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 18 | 2025 | 402 | Median: 3.2 cm402 fish measuredLargest measured 3-spined stickleback: 8.3 cm | — |
| Common breamAbramis brama | 17 | 2025 | 146 | Median: 7.7 cm146 fish measuredLargest measured common bream: 59.3 cm | Recorded weight: 10 lb 4 oz (4.65 kg)1 fish weighed |
| Brown / sea troutSalmo trutta | 14 | 2025 | 277 | Median: 24.7 cm277 fish measuredLargest measured brown / sea trout: 60.3 cm | — |
| RuffeGymnocephalus cernuus | 13 | 2007 | 45 | Median: 11.2 cm45 fish measuredLargest measured ruffe: 15.5 cm | — |
| BarbelBarbus barbus | 11 | 2013 | 49 | Median: 62.3 cm49 fish measuredLargest measured barbel: 85 cm | Median: 9 lb 0.6 oz (4.1 kg)5 fish weighedLargest measured: 11 lb 0.4 oz (5 kg) |
| RuddScardinius erythrophthalmus | 10 | 2025 | 52 | Median: 11.3 cm52 fish measuredLargest measured rudd: 21.6 cm | — |
| 10-spined sticklebackPungitius pungitius | 5 | 2024 | 25 | Median: 3.8 cm25 fish measuredLargest measured 10-spined stickleback: 5.1 cm | — |
| Common carpCyprinus carpio | 3 | 2009 | 7 | Median: 59.6 cm7 fish measuredLargest measured common carp: 66.3 cm | — |
| Crucian carpCarassius carassius | 2 | 1997 | 2 | Median: 37 cm2 fish measuredLargest measured crucian carp: 40 cm | — |
| GraylingThymallus thymallus | 1 | 2006 | 1 | Recorded length: 20.2 cm1 fish measured | — |
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 Wensum (central). 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.
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