River South Walsham Broad

10 fish species have been recorded at 6 locations along the River South Walsham Broad.

Records updated10 August 2026Most recent survey: 2002
Fish species
10
Places surveyed
6
Survey visits
21
Records span
1987–2002

Local EA evidence

Where fish were recorded

6 of 6 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
RoachRutilus rutilus620027,196Median: 8.4 cm3,056 fish measuredLargest measured roach: 22.1 cm—
Common breamAbramis brama620025,245Median: 5.6 cm1,338 fish measuredLargest measured common bream: 41.4 cm—
PerchPerca fluviatilis620021,576Median: 7.2 cm473 fish measuredLargest measured perch: 23 cm—
RuffeGymnocephalus cernuus620021,094Median: 7.1 cm636 fish measuredLargest measured ruffe: 13.5 cm—
FlounderPlatichthys flesus61999149Median: 7.6 cm131 fish measuredLargest measured flounder: 24.2 cm—
PikeEsox lucius419996Median: 37.1 cm6 fish measuredLargest measured pike: 45.1 cm—
European eelAnguilla anguilla4198737——
SmeltOsmerus eperlanus31990110Median: 9.8 cm110 fish measuredLargest measured smelt: 11.7 cm—
3-spined sticklebackGasterosteus aculeatus119942Median: 3.9 cm2 fish measuredLargest measured 3-spined stickleback: 4.1 cm—
Crucian carpCarassius carassius11999629Median: 7.8 cm69 fish measuredLargest measured crucian carp: 13.2 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 River South Walsham Broad. 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 →