River Main Avill

5 fish species have been recorded at 5 locations along the River Main Avill.

Records updated10 August 2026Most recent survey: 2015
Fish species
5
Places surveyed
5
Survey visits
8
Records span
1992–2015

Local EA evidence

Where fish were recorded

5 of 5 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
BullheadCottus gobio52015574Median: 5.2 cm520 fish measuredLargest measured bullhead: 9.5 cmMedian: 0.1 oz (0.002 kg)14 fish weighedLargest measured: 0.2 oz (0.005 kg)
Brown / sea troutSalmo trutta52015297Median: 13 cm297 fish measuredLargest measured brown / sea trout: 29.7 cmMedian: 0.4 oz (0.011 kg)148 fish weighedLargest measured: 6.9 oz (0.196 kg)
European eelAnguilla anguilla42015167Median: 21 cm167 fish measuredLargest measured european eel: 48 cmMedian: 2.5 oz (0.071 kg)4 fish weighedLargest measured: 2 lb 10.4 oz (1.2 kg)
3-spined sticklebackGasterosteus aculeatus1201527Median: 5 cm27 fish measuredLargest measured 3-spined stickleback: 5.6 cm—
FlounderPlatichthys flesus120154Median: 9.8 cm4 fish measuredLargest measured flounder: 10.7 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 Main Avill. 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 →