Bow Brook
17 fish species have been recorded at 24 locations along the Bow Brook.
- Fish species
- 17
- Places surveyed
- 24
- Survey visits
- 93
- Records span
- 1985–2024
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 |
|---|---|---|---|---|---|
| Stone loachBarbatula barbatula | 22 | 2024 | 1,533 | Median: 7.1 cm319 fish measuredLargest measured stone loach: 12.1 cm | — |
| MinnowPhoxinus phoxinus | 21 | 2017 | 820 | Median: 5.1 cm199 fish measuredLargest measured minnow: 9.1 cm | — |
| European eelAnguilla anguilla | 20 | 2017 | 174 | Median: 42 cm167 fish measuredLargest measured european eel: 73 cm | — |
| RoachRutilus rutilus | 19 | 2017 | 802 | Median: 11.8 cm746 fish measuredLargest measured roach: 33.2 cm | — |
| DaceLeuciscus leuciscus | 19 | 2022 | 357 | Median: 15.5 cm333 fish measuredLargest measured dace: 26.4 cm | — |
| BullheadCottus gobio | 18 | 2024 | 682 | Median: 5.2 cm193 fish measuredLargest measured bullhead: 8.6 cm | — |
| PikeEsox lucius | 17 | 2013 | 108 | Median: 34.9 cm105 fish measuredLargest measured pike: 69.5 cm | — |
| ChubLeuciscus cephalus | 16 | 2017 | 648 | Median: 23.6 cm165 fish measuredLargest measured chub: 42.7 cm | — |
| GudgeonGobio gobio | 15 | 2017 | 384 | Median: 9.5 cm373 fish measuredLargest measured gudgeon: 18.5 cm | — |
| 3-spined sticklebackGasterosteus aculeatus | 15 | 2024 | 433 | Median: 4.1 cm113 fish measuredLargest measured 3-spined stickleback: 7.2 cm | — |
| Brown / sea troutSalmo trutta | 12 | 2022 | 445 | Median: 16.1 cm443 fish measuredLargest measured brown / sea trout: 38.6 cm | — |
| PerchPerca fluviatilis | 10 | 2013 | 54 | Median: 16.4 cm54 fish measuredLargest measured perch: 27 cm | — |
| RuddScardinius erythrophthalmus | 4 | 2002 | 26 | Median: 13.8 cm5 fish measuredLargest measured rudd: 15.6 cm | — |
| Rainbow troutOncorhynchus mykiss | 3 | 1999 | 7 | Median: 34.1 cm7 fish measuredLargest measured rainbow trout: 37 cm | — |
| BleakAlburnus alburnus | 2 | 1999 | 9 | Median: 7.1 cm9 fish measuredLargest measured bleak: 11.2 cm | — |
| TenchTinca tinca | 2 | 2008 | 2 | Median: 32.3 cm2 fish measuredLargest measured tench: 43 cm | — |
| Crucian carpCarassius carassius | 1 | 1990 | 2 | Median: 23.6 cm2 fish measuredLargest measured crucian carp: 24.5 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 Bow 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 →