Wallop Brook

4 fish species have been recorded at 4 locations along the Wallop Brook.

Records updated10 August 2026Most recent survey: 2011
Fish species
4
Places surveyed
4
Survey visits
5
Records span
2004–2011

Local EA evidence

Where fish were recorded

4 of 4 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
Brown / sea troutSalmo trutta4201179Median: 14.1 cm79 fish measuredLargest measured brown / sea trout: 42.6 cmMedian: 4.7 oz (0.134 kg)37 fish weighedLargest measured: 2 lb 2.5 oz (0.979 kg)
BullheadCottus gobio4201130Median: 5.5 cm30 fish measuredLargest measured bullhead: 8.2 cm—
European eelAnguilla anguilla120114Median: 26.5 cm4 fish measuredLargest measured european eel: 32.5 cm—
MinnowPhoxinus phoxinus1201184Median: 5.6 cm54 fish measuredLargest measured minnow: 7.5 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 Wallop 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 →