Main Horner Water

5 fish species have been recorded at 6 locations along the Main Horner Water.

Records updated10 August 2026Most recent survey: 2014
Fish species
5
Places surveyed
6
Survey visits
18
Records span
1993–2014

Local EA evidence

Where fish were recorded

6 of 6 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 trutta620141,918Median: 11.7 cm1,918 fish measuredLargest measured brown / sea trout: 29 cmMedian: 0.7 oz (0.02 kg)786 fish weighedLargest measured: 8.5 oz (0.242 kg)
European eelAnguilla anguilla620141,716Median: 18 cm1,716 fish measuredLargest measured european eel: 70 cmMedian: 0.6 oz (0.016 kg)403 fish weighedLargest measured: 4.8 oz (0.135 kg)
BullheadCottus gobio52014805Median: 6.6 cm550 fish measuredLargest measured bullhead: 10.5 cmMedian: 0.2 oz (0.006 kg)59 fish weighedLargest measured: 0.6 oz (0.016 kg)
Brook lampreyLampetra planeri1201311Median: 12.5 cm11 fish measuredLargest measured brook lamprey: 13.5 cmMedian: 0.1 oz (0.0035 kg)2 fish weighedLargest measured: 0.1 oz (0.004 kg)
Stone loachBarbatula barbatula12006———

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 Main Horner Water. 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 →