Sandon Brook (Main Reaches)
16 fish species have been recorded at 4 locations along the Sandon Brook (Main Reaches).
- Fish species
- 16
- Places surveyed
- 4
- Survey visits
- 31
- Records span
- 1986–2025
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 |
|---|---|---|---|---|---|
| ChubLeuciscus cephalus | 4 | 2025 | 1,220 | Median: 26 cm1,220 fish measuredLargest measured chub: 50 cm | — |
| European eelAnguilla anguilla | 4 | 2025 | 1,458 | Median: 34.7 cm265 fish measuredLargest measured european eel: 60.7 cm | Median: 2.4 oz (0.068 kg)265 fish weighedLargest measured: 15.7 oz (0.446 kg) |
| RoachRutilus rutilus | 4 | 2025 | 2,491 | Median: 11.9 cm2,491 fish measuredLargest measured roach: 32 cm | — |
| DaceLeuciscus leuciscus | 4 | 2025 | 1,619 | Median: 13.5 cm1,619 fish measuredLargest measured dace: 25.8 cm | — |
| PikeEsox lucius | 4 | 2025 | 331 | Median: 33.2 cm331 fish measuredLargest measured pike: 64.3 cm | — |
| GudgeonGobio gobio | 4 | 2025 | 763 | Median: 10.1 cm763 fish measuredLargest measured gudgeon: 15.8 cm | — |
| MinnowPhoxinus phoxinus | 4 | 2025 | 734 | Median: 5.4 cm568 fish measuredLargest measured minnow: 9 cm | — |
| PerchPerca fluviatilis | 4 | 2025 | 406 | Median: 13.8 cm406 fish measuredLargest measured perch: 29.3 cm | — |
| Stone loachBarbatula barbatula | 4 | 2025 | 100 | Median: 9.2 cm100 fish measuredLargest measured stone loach: 11.9 cm | — |
| BullheadCottus gobio | 4 | 2025 | 155 | Median: 6.2 cm155 fish measuredLargest measured bullhead: 9.5 cm | — |
| Brown / sea troutSalmo trutta | 3 | 2025 | 24 | Median: 17.9 cm24 fish measuredLargest measured brown / sea trout: 36.1 cm | — |
| TenchTinca tinca | 2 | 2025 | 20 | Median: 20.6 cm20 fish measuredLargest measured tench: 40.1 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 1 | 2025 | 11 | Median: 4.4 cm11 fish measuredLargest measured 3-spined stickleback: 5.6 cm | — |
| RuffeGymnocephalus cernuus | 1 | 2025 | 3 | Median: 10.7 cm3 fish measuredLargest measured ruffe: 11.3 cm | — |
| Common breamAbramis brama | 1 | 1989 | 2 | Median: 42.9 cm2 fish measuredLargest measured common bream: 44.9 cm | — |
| RuddScardinius erythrophthalmus | 1 | 2025 | 1 | Recorded length: 9.5 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 Sandon Brook (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 →