Thelsford Brook
7 fish species have been recorded at 2 locations along the Thelsford Brook.
- Fish species
- 7
- Places surveyed
- 2
- Survey visits
- 2
- Records span
- 1995
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 |
|---|---|---|---|---|---|
| 3-spined sticklebackGasterosteus aculeatus | 2 | 1995 | 2 | Median: 4.6 cm2 fish measuredLargest measured 3-spined stickleback: 4.7 cm | — |
| Brown / sea troutSalmo trutta | 2 | 1995 | 17 | Median: 17.6 cm17 fish measuredLargest measured brown / sea trout: 29.5 cm | — |
| BullheadCottus gobio | 2 | 1995 | 77 | Median: 5.4 cm40 fish measuredLargest measured bullhead: 8.6 cm | — |
| European eelAnguilla anguilla | 2 | 1995 | 8 | Median: 31 cm8 fish measuredLargest measured european eel: 39 cm | — |
| MinnowPhoxinus phoxinus | 2 | 1995 | 40 | Median: 6 cm21 fish measuredLargest measured minnow: 9.2 cm | — |
| Stone loachBarbatula barbatula | 2 | 1995 | 89 | Median: 7.4 cm21 fish measuredLargest measured stone loach: 10.6 cm | — |
| ChubLeuciscus cephalus | 1 | 1995 | 3 | Median: 13.9 cm3 fish measuredLargest measured chub: 14.4 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 Thelsford 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 →