Cuffley Brook

8 fish species have been recorded at 6 locations along the Cuffley Brook.

Records updated10 August 2026Most recent survey: 2019
Fish species
8
Places surveyed
6
Survey visits
21
Records span
2010–2019

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
3-spined sticklebackGasterosteus aculeatus520191,990Median: 3.3 cm279 fish measuredLargest measured 3-spined stickleback: 5.9 cm—
MinnowPhoxinus phoxinus520192,531Median: 5 cm2,531 fish measuredLargest measured minnow: 9 cm—
Stone loachBarbatula barbatula520191,359Median: 7.1 cm1,359 fish measuredLargest measured stone loach: 12.1 cm—
GudgeonGobio gobio52019326Median: 9.7 cm326 fish measuredLargest measured gudgeon: 15 cm—
RoachRutilus rutilus52019852Median: 11.1 cm852 fish measuredLargest measured roach: 20 cm—
Topmouth gudgeonPseudorasbora parva5201419Median: 5.9 cm19 fish measuredLargest measured topmouth gudgeon: 7.9 cm—
BullheadCottus gobio2201610Median: 7.1 cm10 fish measuredLargest measured bullhead: 12 cm—
European eelAnguilla anguilla220134Median: 65.1 cm4 fish measuredLargest measured european eel: 75.2 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 Cuffley 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 →