River Medlock
12 fish species have been recorded at 15 locations along the River Medlock.
- Fish species
- 12
- Places surveyed
- 15
- Survey visits
- 49
- Records span
- 1995–2023
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 | 11 | 2023 | 167 | Median: 16.8 cm167 fish measuredLargest measured brown / sea trout: 43.5 cm | Median: 1 lb 0 oz (0.454 kg)5 fish weighedLargest measured: 1 lb 8.2 oz (0.687 kg) |
| Stone loachBarbatula barbatula | 10 | 2023 | 1,619 | Median: 9 cm396 fish measuredLargest measured stone loach: 12.9 cm | Recorded weight: 0.9 oz (0.025 kg)1 fish weighed |
| MinnowPhoxinus phoxinus | 10 | 2023 | 8,278 | Median: 6.1 cm659 fish measuredLargest measured minnow: 9.4 cm | Median: 0.2 oz (0.006 kg)17 fish weighedLargest measured: 0.4 oz (0.01 kg) |
| 3-spined sticklebackGasterosteus aculeatus | 10 | 2023 | 1,852 | Median: 5.1 cm204 fish measuredLargest measured 3-spined stickleback: 10.1 cm | Median: 0.1 oz (0.0025 kg)2 fish weighedLargest measured: 0.1 oz (0.004 kg) |
| ChubLeuciscus cephalus | 6 | 2013 | 333 | Median: 18.4 cm333 fish measuredLargest measured chub: 38.7 cm | — |
| PerchPerca fluviatilis | 4 | 2013 | 28 | Median: 17.2 cm28 fish measuredLargest measured perch: 34 cm | — |
| RoachRutilus rutilus | 3 | 2006 | 42 | Median: 13.2 cm42 fish measuredLargest measured roach: 18.2 cm | — |
| DaceLeuciscus leuciscus | 2 | 2002 | 35 | Median: 16.2 cm35 fish measuredLargest measured dace: 20.6 cm | Recorded weight: 1.6 oz (0.045 kg)1 fish weighed |
| BullheadCottus gobio | 2 | 2023 | — | — | — |
| GudgeonGobio gobio | 2 | 2001 | 2 | Median: 7.7 cm2 fish measuredLargest measured gudgeon: 9.5 cm | — |
| PikeEsox lucius | 1 | 2005 | 3 | Median: 36 cm3 fish measuredLargest measured pike: 43.3 cm | — |
| TenchTinca tinca | 1 | 2001 | 1 | Recorded length: 21.5 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 River Medlock. 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 →