River Box (Main Reaches)
23 fish species have been recorded at 7 locations along the River Box (Main Reaches).
- Fish species
- 23
- Places surveyed
- 7
- Survey visits
- 88
- Records span
- 1981–2026
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 |
|---|---|---|---|---|---|
| European eelAnguilla anguilla | 7 | 2026 | 3,195 | Median: 29 cm639 fish measuredLargest measured european eel: 62.3 cm | Median: 1.2 oz (0.034 kg)639 fish weighedLargest measured: 1 lb 3.8 oz (0.562 kg) |
| Brown / sea troutSalmo trutta | 7 | 2026 | 3,065 | Median: 17.3 cm3,065 fish measuredLargest measured brown / sea trout: 44.6 cm | — |
| Stone loachBarbatula barbatula | 7 | 2026 | 1,379 | Median: 9 cm1,375 fish measuredLargest measured stone loach: 13.5 cm | Median: 0.1 oz (0.0035 kg)2 fish weighedLargest measured: 0.2 oz (0.006 kg) |
| DaceLeuciscus leuciscus | 7 | 2026 | 9,167 | Median: 13.8 cm9,167 fish measuredLargest measured dace: 28.1 cm | Median: 1.2 oz (0.034 kg)151 fish weighedLargest measured: 5.6 oz (0.16 kg) |
| RoachRutilus rutilus | 7 | 2026 | 2,294 | Median: 11.3 cm2,294 fish measuredLargest measured roach: 29.1 cm | Median: 0.5 oz (0.0155 kg)6 fish weighedLargest measured: 0.8 oz (0.022 kg) |
| ChubLeuciscus cephalus | 7 | 2026 | 3,267 | Median: 14.8 cm3,267 fish measuredLargest measured chub: 43.5 cm | Median: 7.3 oz (0.2075 kg)10 fish weighedLargest measured: 11.4 oz (0.322 kg) |
| 3-spined sticklebackGasterosteus aculeatus | 7 | 2026 | 460 | Median: 4.3 cm460 fish measuredLargest measured 3-spined stickleback: 8.3 cm | — |
| RuddScardinius erythrophthalmus | 7 | 2026 | 388 | Median: 9 cm388 fish measuredLargest measured rudd: 20 cm | — |
| GudgeonGobio gobio | 6 | 2026 | 3,343 | Median: 10 cm3,157 fish measuredLargest measured gudgeon: 17.5 cm | Median: 0.4 oz (0.0105 kg)26 fish weighedLargest measured: 0.7 oz (0.021 kg) |
| MinnowPhoxinus phoxinus | 5 | 2026 | 2,137 | Median: 5.8 cm1,787 fish measuredLargest measured minnow: 9.6 cm | — |
| PikeEsox lucius | 5 | 2026 | 20 | Median: 32.6 cm20 fish measuredLargest measured pike: 66.3 cm | — |
| Rainbow troutOncorhynchus mykiss | 5 | 2024 | 28 | Median: 31.5 cm28 fish measuredLargest measured rainbow trout: 37.6 cm | — |
| TenchTinca tinca | 3 | 2026 | 10 | Median: 10.8 cm10 fish measuredLargest measured tench: 19.3 cm | — |
| PerchPerca fluviatilis | 2 | 2026 | 129 | Median: 9.1 cm129 fish measuredLargest measured perch: 20.1 cm | — |
| BullheadCottus gobio | 2 | 2026 | 634 | Median: 6.2 cm587 fish measuredLargest measured bullhead: 10.2 cm | — |
| Brook lampreyLampetra planeri | 2 | 2021 | 717 | Median: 16.2 cm602 fish measuredLargest measured brook lamprey: 21.2 cm | Median: 0.3 oz (0.0071 kg)602 fish weighedLargest measured: 0.6 oz (0.016 kg) |
| Spined loachCobitis taenia | 2 | 2026 | 144 | Median: 7.2 cm144 fish measuredLargest measured spined loach: 10.1 cm | — |
| Common carpCyprinus carpio | 2 | 1991 | 2 | Median: 30.5 cm2 fish measuredLargest measured common carp: 45.4 cm | — |
| RuffeGymnocephalus cernuus | 1 | 2021 | 2 | Median: 9 cm2 fish measuredLargest measured ruffe: 9.5 cm | — |
| 10-spined sticklebackPungitius pungitius | 1 | 2024 | 1 | Recorded length: 4.1 cm1 fish measured | — |
| Common breamAbramis brama | 1 | 1991 | 3 | Median: 12.2 cm3 fish measuredLargest measured common bream: 14.6 cm | — |
| Crucian carpCarassius carassius | 1 | 2024 | 1 | Recorded length: 10.5 cm1 fish measured | — |
| Golden goldfishCarassius auratus | 1 | 2012 | 1 | Recorded length: 8.1 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 Box (Main Reaches). 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 →