River Knepp Castle

8 fish species have been recorded at 3 locations along the River Knepp Castle.

Records updated10 August 2026Most recent survey: 2009
Fish species
8
Places surveyed
3
Survey visits
3
Records span
1998–2009

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
European eelAnguilla anguilla3200927Median: 50 cm7 fish measuredLargest measured european eel: 66 cm—
PerchPerca fluviatilis3200942Median: 11.7 cm42 fish measuredLargest measured perch: 20.6 cmMedian: 0.3 oz (0.009 kg)18 fish weighedLargest measured: 1.1 oz (0.032 kg)
PikeEsox lucius320097Median: 28.1 cm7 fish measuredLargest measured pike: 60.2 cmRecorded weight: 4 lb 0.4 oz (1.83 kg)1 fish weighed
RoachRutilus rutilus3200986Median: 8.5 cm84 fish measuredLargest measured roach: 17.3 cmMedian: 0.1 oz (0.0025 kg)4 fish weighedLargest measured: 0.1 oz (0.004 kg)
TenchTinca tinca2200912Median: 11.3 cm12 fish measuredLargest measured tench: 45.5 cmMedian: 0.6 oz (0.018 kg)10 fish weighedLargest measured: 2.4 oz (0.068 kg)
Common breamAbramis brama1200911Median: 33.6 cm11 fish measuredLargest measured common bream: 42.8 cm—
Common carpCyprinus carpio120098Median: 51.2 cm8 fish measuredLargest measured common carp: 65.7 cm—
RuddScardinius erythrophthalmus119981Recorded length: 9.8 cm1 fish measuredRecorded weight: 0.5 oz (0.015 kg)1 fish weighed

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 Knepp Castle. 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 →