Mor Brook

11 fish species have been recorded at 5 locations along the Mor Brook.

Records updated10 August 2026Most recent survey: 2011
Fish species
11
Places surveyed
5
Survey visits
9
Records span
1991–2011

Local EA evidence

Where fish were recorded

5 of 5 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 trutta52011384Median: 9.7 cm268 fish measuredLargest measured brown / sea trout: 31.2 cm—
BullheadCottus gobio52011———
Stone loachBarbatula barbatula42011———
MinnowPhoxinus phoxinus32003———
PerchPerca fluviatilis3200318Median: 16 cm18 fish measuredLargest measured perch: 19.9 cm—
European eelAnguilla anguilla220039Median: 30 cm7 fish measuredLargest measured european eel: 60.5 cm—
Atlantic salmonSalmo salar11991———
Brook lampreyLampetra planeri12003———
Rainbow troutOncorhynchus mykiss11991———
RoachRutilus rutilus1200322Median: 14.6 cm22 fish measuredLargest measured roach: 21.5 cm—
RuddScardinius erythrophthalmus120033Median: 11.9 cm3 fish measuredLargest measured rudd: 18 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 Mor 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 →