River Lowther

8 fish species have been recorded at 9 locations along the River Lowther.

Records updated10 August 2026Most recent survey: 2024
Fish species
8
Places surveyed
9
Survey visits
44
Records span
2002–2024

Local EA evidence

Where fish were recorded

9 of 9 places shown

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.

FishSitesMost recentFish countedMeasured lengthMeasured weight
Atlantic salmonSalmo salar920246,074Median: 5.3 cm1,144 fish measuredLargest measured atlantic salmon: 15.6 cm—
MinnowPhoxinus phoxinus92024———
Stone loachBarbatula barbatula92024———
Brown / sea troutSalmo trutta82024847Median: 6.4 cm110 fish measuredLargest measured brown / sea trout: 24.6 cm—
BullheadCottus gobio82024———
European eelAnguilla anguilla52024141Median: 27.5 cm129 fish measuredLargest measured european eel: 60 cmMedian: 0 oz (0.001 kg)3 fish weighedLargest measured: 0.1 oz (0.002 kg)
3-spined sticklebackGasterosteus aculeatus12007———
Brook lampreyLampetra planeri12004———

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 Lowther. 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 →