Castle Dyke

14 fish species have been recorded at 2 locations along the Castle Dyke.

Records updated10 August 2026Most recent survey: 2016
Fish species
14
Places surveyed
2
Survey visits
12
Records span
1990–2016

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
PerchPerca fluviatilis22016607Median: 9.3 cm607 fish measuredLargest measured perch: 39.2 cm—
PikeEsox lucius2201680Median: 17.5 cm80 fish measuredLargest measured pike: 63.9 cm—
RoachRutilus rutilus2201612,647Median: 11.1 cm3,913 fish measuredLargest measured roach: 27.5 cm—
Common breamAbramis brama220162,756Median: 8.1 cm329 fish measuredLargest measured common bream: 54.5 cm—
RuffeGymnocephalus cernuus22016223Median: 8.2 cm165 fish measuredLargest measured ruffe: 15.6 cm—
TenchTinca tinca2201614Median: 11.9 cm14 fish measuredLargest measured tench: 45.6 cm—
Silver breamAbramis bjoerkna22011410Median: 14.7 cm410 fish measuredLargest measured silver bream: 26.8 cm—
RuddScardinius erythrophthalmus2201614Median: 8.3 cm14 fish measuredLargest measured rudd: 36.5 cm—
Spined loachCobitis taenia220118Median: 7.4 cm8 fish measuredLargest measured spined loach: 9.8 cm—
European eelAnguilla anguilla220166Median: 42.5 cm2 fish measuredLargest measured european eel: 46.5 cm—
GudgeonGobio gobio2199653Median: 7.4 cm53 fish measuredLargest measured gudgeon: 12.6 cm—
BleakAlburnus alburnus1201159Median: 9.8 cm59 fish measuredLargest measured bleak: 16.3 cm—
3-spined sticklebackGasterosteus aculeatus12016———
DaceLeuciscus leuciscus1199025Median: 17.4 cm25 fish measuredLargest measured dace: 20.9 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 Castle Dyke. 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 →