Losterdale Brook

4 fish species have been recorded at 3 locations along the Losterdale Brook.

Records updated10 August 2026Most recent survey: 2021
Fish species
4
Places surveyed
3
Survey visits
17
Records span
1984–2021

Local EA evidence

Where fish were recorded

3 of 3 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
Brown / sea troutSalmo trutta320211,267Median: 7.2 cm948 fish measuredLargest measured brown / sea trout: 30.8 cm—
BullheadCottus gobio32021———
Atlantic salmonSalmo salar3200995Median: 9.8 cm95 fish measuredLargest measured atlantic salmon: 18.7 cm—
European eelAnguilla anguilla2202122Median: 32.5 cm22 fish measuredLargest measured european eel: 51 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 Losterdale 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 →