Mill Brook

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

Records updated10 August 2026Most recent survey: 2013
Fish species
11
Places surveyed
5
Survey visits
15
Records span
1983–2013

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
3-spined sticklebackGasterosteus aculeatus5201387Median: 2.6 cm70 fish measuredLargest measured 3-spined stickleback: 5.6 cm—
BullheadCottus gobio42013107Median: 6.3 cm94 fish measuredLargest measured bullhead: 11 cm—
Stone loachBarbatula barbatula4201340Median: 8.7 cm30 fish measuredLargest measured stone loach: 12.4 cm—
European eelAnguilla anguilla32013214Median: 24 cm200 fish measuredLargest measured european eel: 59 cmMedian: 0.3 oz (0.0095 kg)56 fish weighedLargest measured: 9 oz (0.254 kg)
Brown / sea troutSalmo trutta3201374Median: 14 cm66 fish measuredLargest measured brown / sea trout: 29.2 cm—
ChubLeuciscus cephalus3200729Median: 16.8 cm29 fish measuredLargest measured chub: 28.6 cm—
RoachRutilus rutilus3201358Median: 9.1 cm58 fish measuredLargest measured roach: 16.3 cm—
DaceLeuciscus leuciscus2201365Median: 16.2 cm43 fish measuredLargest measured dace: 23.5 cm—
MinnowPhoxinus phoxinus120078Median: 4.1 cm8 fish measuredLargest measured minnow: 7 cm—
GudgeonGobio gobio120025Median: 12.2 cm5 fish measuredLargest measured gudgeon: 14.5 cm—
PikeEsox lucius120131Recorded length: 15.2 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 Mill 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 →