River South Dike FMU

13 fish species have been recorded at 3 locations along the River South Dike FMU.

Records updated10 August 2026Most recent survey: 1995
Fish species
13
Places surveyed
3
Survey visits
8
Records span
1986–1995

Local EA evidence

Where fish were recorded

3 of 3 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
3-spined sticklebackGasterosteus aculeatus319953,488Median: 5.1 cm363 fish measuredLargest measured 3-spined stickleback: 8.5 cm—
European eelAnguilla anguilla31995265——
FlounderPlatichthys flesus3199535Median: 15.1 cm35 fish measuredLargest measured flounder: 35.6 cm—
RoachRutilus rutilus319951,051Median: 10.4 cm1,051 fish measuredLargest measured roach: 26.4 cm—
RuddScardinius erythrophthalmus31995489Median: 8.4 cm489 fish measuredLargest measured rudd: 28.3 cm—
PikeEsox lucius3199518Median: 10.7 cm18 fish measuredLargest measured pike: 31.4 cm—
Silver breamAbramis bjoerkna31995961Median: 12.9 cm961 fish measuredLargest measured silver bream: 27 cm—
SpratSprattus sprattus2199212Median: 8.9 cm12 fish measuredLargest measured sprat: 14.8 cm—
TenchTinca tinca219952Median: 22.5 cm2 fish measuredLargest measured tench: 28.6 cm—
Common breamAbramis brama1199554Median: 23.3 cm54 fish measuredLargest measured common bream: 34 cm—
10-spined sticklebackPungitius pungitius119862Median: 5.8 cm2 fish measuredLargest measured 10-spined stickleback: 6 cm—
Common gobyPomatoschistus microps119891Recorded length: 6 cm1 fish measured—
DaceLeuciscus leuciscus119861Recorded length: 9.2 cm1 fish measured—

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 Dike FMU. 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 →