River Lostock
17 fish species have been recorded at 25 locations along the River Lostock.
- Fish species
- 17
- Places surveyed
- 25
- Survey visits
- 118
- Records span
- 1991–2023
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 |
|---|---|---|---|---|---|
| European eelAnguilla anguilla | 23 | 2023 | 1,164 | Median: 25.3 cm1,068 fish measuredLargest measured european eel: 66 cm | Median: 3.7 oz (0.105 kg)7 fish weighedLargest measured: 10.6 oz (0.3 kg) |
| Stone loachBarbatula barbatula | 21 | 2023 | — | — | — |
| ChubLeuciscus cephalus | 19 | 2023 | 2,738 | Median: 15.4 cm2,656 fish measuredLargest measured chub: 37.7 cm | Median: 2.2 oz (0.062 kg)294 fish weighedLargest measured: 12.3 oz (0.35 kg) |
| RoachRutilus rutilus | 18 | 2023 | 862 | Median: 15.1 cm788 fish measuredLargest measured roach: 36 cm | Median: 1.8 oz (0.052 kg)143 fish weighedLargest measured: 7.1 oz (0.2 kg) |
| 3-spined sticklebackGasterosteus aculeatus | 18 | 2023 | — | — | — |
| GudgeonGobio gobio | 16 | 2023 | 524 | Median: 12.3 cm511 fish measuredLargest measured gudgeon: 17.2 cm | Median: 0.7 oz (0.02 kg)108 fish weighedLargest measured: 2.8 oz (0.08 kg) |
| DaceLeuciscus leuciscus | 15 | 2023 | 811 | Median: 16.3 cm769 fish measuredLargest measured dace: 27 cm | Median: 2 oz (0.058 kg)69 fish weighedLargest measured: 4.8 oz (0.136 kg) |
| PerchPerca fluviatilis | 13 | 2023 | 73 | Median: 8.2 cm71 fish measuredLargest measured perch: 21.9 cm | Median: 0.4 oz (0.01 kg)8 fish weighedLargest measured: 3.3 oz (0.094 kg) |
| BullheadCottus gobio | 12 | 2023 | — | — | — |
| FlounderPlatichthys flesus | 10 | 2018 | 193 | Median: 14 cm92 fish measuredLargest measured flounder: 27 cm | Median: 3 oz (0.086 kg)3 fish weighedLargest measured: 3.6 oz (0.101 kg) |
| MinnowPhoxinus phoxinus | 9 | 2023 | — | — | — |
| Brown / sea troutSalmo trutta | 8 | 2023 | 329 | Median: 14.8 cm328 fish measuredLargest measured brown / sea trout: 47 cm | Recorded weight: 15.9 oz (0.45 kg)1 fish weighed |
| TenchTinca tinca | 4 | 2000 | 11 | Median: 15.5 cm9 fish measuredLargest measured tench: 19.5 cm | — |
| Common breamAbramis brama | 3 | 2002 | 48 | Recorded length: 15.6 cm1 fish measuredView common bream measurement → | Recorded weight: 1.8 oz (0.05 kg)1 fish weighed |
| BarbelBarbus barbus | 2 | 1995 | 2 | Median: 12.8 cm2 fish measuredLargest measured barbel: 14 cm | — |
| Common carpCyprinus carpio | 2 | 1999 | 2 | Recorded length: 23 cm1 fish measured | — |
| PikeEsox lucius | 1 | 1995 | 1 | Recorded length: 56 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 Lostock. 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 →