Harpers Brook

16 fish species have been recorded at 9 locations along the Harpers Brook.

Records updated10 August 2026Most recent survey: 2018
Fish species
16
Places surveyed
9
Survey visits
27
Records span
1989–2018

Local EA evidence

Where fish were recorded

9 of 9 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
MinnowPhoxinus phoxinus92018516Median: 6 cm151 fish measuredLargest measured minnow: 9.5 cm—
BullheadCottus gobio92018331Median: 6 cm81 fish measuredLargest measured bullhead: 9 cm—
ChubLeuciscus cephalus72018565Median: 20 cm417 fish measuredLargest measured chub: 43 cm—
DaceLeuciscus leuciscus720182,926Median: 13 cm1,676 fish measuredLargest measured dace: 23 cm—
Stone loachBarbatula barbatula7201583Median: 5 cm33 fish measuredLargest measured stone loach: 9 cm—
RoachRutilus rutilus62015204Median: 13.3 cm170 fish measuredLargest measured roach: 29.5 cm—
Brown / sea troutSalmo trutta6201850Median: 16.5 cm50 fish measuredLargest measured brown / sea trout: 69 cm—
PikeEsox lucius5201858Median: 49.5 cm58 fish measuredLargest measured pike: 86 cm—
GudgeonGobio gobio52006623Median: 10.5 cm413 fish measuredLargest measured gudgeon: 15 cm—
PerchPerca fluviatilis52018102Median: 11.7 cm102 fish measuredLargest measured perch: 26 cm—
European eelAnguilla anguilla5200026——
3-spined sticklebackGasterosteus aculeatus41992182Median: 4.5 cm32 fish measuredLargest measured 3-spined stickleback: 5 cm—
BleakAlburnus alburnus3199512Median: 11 cm12 fish measuredLargest measured bleak: 12.5 cm—
10-spined sticklebackPungitius pungitius32015———
Common carpCyprinus carpio219954Median: 37.3 cm4 fish measuredLargest measured common carp: 44 cm—
Common breamAbramis brama219924Median: 33.3 cm4 fish measuredLargest measured common bream: 38 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 Harpers 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 →