Rigg Mill Beck

5 fish species have been recorded at 4 locations along the Rigg Mill Beck.

Records updated10 August 2026Most recent survey: 2023
Fish species
5
Places surveyed
4
Survey visits
9
Records span
2005–2023

Local EA evidence

Where fish were recorded

4 of 4 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 trutta42023381Median: 7.1 cm381 fish measuredLargest measured brown / sea trout: 25.4 cm—
European eelAnguilla anguilla2202351Median: 21 cm50 fish measuredLargest measured european eel: 40 cm—
Atlantic salmonSalmo salar2202393Median: 6.9 cm93 fish measuredLargest measured atlantic salmon: 13.2 cm—
FlounderPlatichthys flesus220171Recorded length: 8.5 cm1 fish measured—
3-spined sticklebackGasterosteus aculeatus1201114Median: 3.5 cm14 fish measuredLargest measured 3-spined stickleback: 6.4 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 Rigg Mill Beck. 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 →