Relief Channel

6 fish species have been recorded at 1 location along the Relief Channel.

Records updated10 August 2026Most recent survey: 2010
Fish species
6
Places surveyed
1
Survey visits
8
Records span
2009–2010

Local EA evidence

Where fish were recorded

1 of 1 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 fluviatilis1201015——
European eelAnguilla anguilla120094Median: 47 cm4 fish measuredLargest measured european eel: 52 cmMedian: 8.3 oz (0.235 kg)4 fish weighedLargest measured: 10.6 oz (0.3 kg)
PikeEsox lucius120092——
BullheadCottus gobio120091——
RuffeGymnocephalus cernuus120101——
TenchTinca tinca120091——

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 Relief Channel. 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 →