Chertsey Bourne

18 fish species have been recorded at 5 locations along the Chertsey Bourne.

Records updated10 August 2026Most recent survey: 2015
Fish species
18
Places surveyed
5
Survey visits
12
Records span
1989–2015

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
BullheadCottus gobio5201424——
PerchPerca fluviatilis42015100Median: 10.3 cm100 fish measuredLargest measured perch: 23.2 cm—
RoachRutilus rutilus42015657Median: 10.5 cm657 fish measuredLargest measured roach: 26.2 cm—
ChubLeuciscus cephalus42015175Median: 22.6 cm175 fish measuredLargest measured chub: 49 cm—
DaceLeuciscus leuciscus32015592Median: 11.6 cm592 fish measuredLargest measured dace: 21.3 cm—
European eelAnguilla anguilla32015101Median: 48.5 cm101 fish measuredLargest measured european eel: 76 cm—
GudgeonGobio gobio32015210Median: 10.3 cm210 fish measuredLargest measured gudgeon: 17.3 cm—
Common breamAbramis brama3201574Median: 45.4 cm74 fish measuredLargest measured common bream: 52.3 cm—
PikeEsox lucius3201520Median: 44.3 cm20 fish measuredLargest measured pike: 71.9 cm—
3-spined sticklebackGasterosteus aculeatus3201411——
MinnowPhoxinus phoxinus32015———
Stone loachBarbatula barbatula32015———
BleakAlburnus alburnus220124Median: 12.5 cm4 fish measuredLargest measured bleak: 13.4 cm—
RuffeGymnocephalus cernuus120114Median: 10 cm4 fish measuredLargest measured ruffe: 15.6 cm—
Brook lampreyLampetra planeri12003———
Brown / sea troutSalmo trutta119892Median: 15 cm2 fish measuredLargest measured brown / sea trout: 27.6 cm—
Common carpCyprinus carpio120031Recorded length: 38.4 cm1 fish measured—
RuddScardinius erythrophthalmus120082Median: 9 cm2 fish measuredLargest measured rudd: 9 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 Chertsey Bourne. 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 →