Wonston Brook

7 fish species have been recorded at 2 locations along the Wonston Brook.

Records updated10 August 2026Most recent survey: 2018
Fish species
7
Places surveyed
2
Survey visits
6
Records span
2006–2018

Local EA evidence

Where fish were recorded

2 of 2 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 phoxinus2201848Median: 6.1 cm48 fish measuredLargest measured minnow: 7.7 cm—
3-spined sticklebackGasterosteus aculeatus220184Median: 4.6 cm4 fish measuredLargest measured 3-spined stickleback: 5.5 cm—
Stone loachBarbatula barbatula2200712Median: 9.2 cm12 fish measuredLargest measured stone loach: 11.5 cm—
PikeEsox lucius120185Median: 28.2 cm5 fish measuredLargest measured pike: 47.5 cm—
Brown / sea troutSalmo trutta120121Recorded length: 40 cm1 fish measured—
BullheadCottus gobio12018———
RoachRutilus rutilus1201823Median: 13.2 cm23 fish measuredLargest measured roach: 16.4 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 Wonston 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 →