Darwell River

12 fish species have been recorded at 3 locations along the Darwell River.

Records updated10 August 2026Most recent survey: 2016
Fish species
12
Places surveyed
3
Survey visits
6
Records span
2007–2016

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
BullheadCottus gobio32016176Median: 4.1 cm176 fish measuredLargest measured bullhead: 8.7 cm—
Brown / sea troutSalmo trutta3201668Median: 14.5 cm68 fish measuredLargest measured brown / sea trout: 28.3 cm—
ChubLeuciscus cephalus2201628Median: 22 cm28 fish measuredLargest measured chub: 41 cm—
European eelAnguilla anguilla2201629Median: 27 cm29 fish measuredLargest measured european eel: 60 cm—
Stone loachBarbatula barbatula2201644Median: 7.5 cm44 fish measuredLargest measured stone loach: 11.5 cm—
MinnowPhoxinus phoxinus1201697Median: 5.5 cm97 fish measuredLargest measured minnow: 7.8 cm—
DaceLeuciscus leuciscus120123Median: 12.3 cm3 fish measuredLargest measured dace: 14.7 cm—
GudgeonGobio gobio120125Median: 10.5 cm5 fish measuredLargest measured gudgeon: 15.1 cm—
Brook lampreyLampetra planeri1200711Median: 12.5 cm11 fish measuredLargest measured brook lamprey: 15.5 cm—
Common carpCyprinus carpio120121Recorded length: 44.5 cm1 fish measured—
PerchPerca fluviatilis120124Median: 16.9 cm4 fish measuredLargest measured perch: 18.5 cm—
RoachRutilus rutilus120121Recorded length: 12.4 cm1 fish measured—

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 Darwell River. 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 →