Main Semington Brook
13 fish species have been recorded at 10 locations along the Main Semington Brook.
- Fish species
- 13
- Places surveyed
- 10
- Survey visits
- 17
- Records span
- 1997–2012
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 | 8 | 2012 | 170 | Median: 19 cm170 fish measuredLargest measured brown / sea trout: 47 cm | Median: 2.9 oz (0.081 kg)141 fish weighedLargest measured: 2 lb 5.4 oz (1.06 kg) |
| RoachRutilus rutilus | 7 | 2012 | 130 | Median: 12.7 cm130 fish measuredLargest measured roach: 29.8 cm | Median: 1.4 oz (0.0385 kg)94 fish weighedLargest measured: 9 oz (0.254 kg) |
| GudgeonGobio gobio | 6 | 2012 | 64 | Median: 10.1 cm64 fish measuredLargest measured gudgeon: 15.6 cm | Median: 0.4 oz (0.0125 kg)62 fish weighedLargest measured: 1.7 oz (0.047 kg) |
| Stone loachBarbatula barbatula | 6 | 2012 | 2 | Median: 7 cm2 fish measuredLargest measured stone loach: 9.5 cm | — |
| DaceLeuciscus leuciscus | 5 | 2012 | 174 | Median: 12.5 cm174 fish measuredLargest measured dace: 26 cm | Median: 0.8 oz (0.0215 kg)164 fish weighedLargest measured: 8.3 oz (0.234 kg) |
| MinnowPhoxinus phoxinus | 5 | 2012 | 7 | Median: 6.6 cm7 fish measuredLargest measured minnow: 7.7 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 5 | 2012 | 7 | Median: 2.8 cm7 fish measuredLargest measured 3-spined stickleback: 6.1 cm | — |
| BullheadCottus gobio | 5 | 2012 | 9 | Median: 7.3 cm9 fish measuredLargest measured bullhead: 8 cm | — |
| Rainbow troutOncorhynchus mykiss | 3 | 2001 | 44 | Median: 26 cm44 fish measuredLargest measured rainbow trout: 44.5 cm | Median: 7.7 oz (0.218 kg)44 fish weighedLargest measured: 2 lb 0.5 oz (0.92 kg) |
| ChubLeuciscus cephalus | 3 | 2012 | 10 | Median: 27.9 cm10 fish measuredLargest measured chub: 36.5 cm | Recorded weight: 1.9 oz (0.055 kg)1 fish weighed |
| PerchPerca fluviatilis | 2 | 2012 | 5 | Median: 17.9 cm5 fish measuredLargest measured perch: 28 cm | Median: 1.8 oz (0.051 kg)3 fish weighedLargest measured: 3.8 oz (0.108 kg) |
| Common breamAbramis brama | 1 | 1997 | 9 | Median: 8.5 cm9 fish measuredLargest measured common bream: 12.8 cm | Median: 0.3 oz (0.009 kg)9 fish weighedLargest measured: 1.3 oz (0.037 kg) |
| European eelAnguilla anguilla | 1 | 1997 | 1 | Recorded length: 83.8 cm1 fish measured | Recorded weight: 3 lb 7.2 oz (1.57 kg)1 fish weighed |
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 Main Semington Brook. 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 →