RiverFish

European eel · Anguilla anguilla

European eel in the Main River Isle

Largest measured european eel: 62 cm

The largest european eel measured in Environment Agency surveys of the Main River Isle was 62 cm, recorded at Cocks Bridge (Te) on 18 June 1992.

Across 1,525 measured european eel, the median measured length was 31 cm.

Surveyors recorded weights for 1,257 european eel. The median was 2 oz (0.056 kg) and the largest recorded weight was 13.7 oz (0.389 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Main River Isle.

See european eel records across England →

Most recent observation30 June 2022Hort Bridge · 4 fish
Largest measured european eel
62 cm
Median length
31 cm
Fish measured
1,525
Survey locations
15

Individual EA measurements

Largest measured european eel

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
62 cm18 Jun 1992Cocks Bridge (Te)80033
58.5 cm19 Jun 1997Cocks Bridge (Te)76671
58 cm10 Apr 2013U/s Chard STW135873
57.2 cm26 Apr 2002Ashford Farm (Te)73146
56 cm29 May 1992Ashford Farm (Te)80044
55 cm9 Jun 1992Isle Brewers80046
54.4 cm5 Aug 2002Ilford Bridges (Te)73143
54 cm29 May 1992Ashford Farm (Te)80044
53.5 cm19 Jun 1992Winterhay Lane80030
53 cm19 Jun 1992Winterhay Lane80030

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where european eel were found

Each point marks a survey location with at least one european eel record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding european eel
Hort Bridge7 Jul 201030 Jun 20222
Midelney11 Sept 200723 Jun 20223
Cocks Bridge (Te)18 Jun 199216 Jun 202215
Ashford Farm (Te)29 May 199225 Jul 201312
U/s Chard STW10 Apr 201310 Apr 20131
Ilford Bridges (Te)11 Jun 19927 Jul 201010
Isle Brewers9 Jun 199221 May 20083
Manor Farm, Knowle St. Giles (Se-06)2 Jul 19922 Jun 20063
Bere Mills26 Jun 199217 Jul 19972
Court Mill, Wadeford7 Jul 199211 Jul 19972
Donyatt25 Jun 19927 Jul 19972
Winterhay Lane19 Jun 19924 Jul 19972
Hambridge8 Jun 199230 Apr 19972
Downstream Westport Canal14 May 199222 Apr 19972
Earnshill House19 May 199219 May 19921

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1992–2022

Survey records by year

Each bar shows how many survey visits recorded european eel that year.

Fish measured by surveyors

Measured length distribution

See how the 1,525 measured fish were spread across different length ranges.

Smallest
8.5 cm
Lower quarter
25.5 cm
Median
31 cm
Upper quarter
35.5 cm
Largest
62 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 1,257 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
1 oz (0.029 kg)
Median
2 oz (0.056 kg)
Upper quarter
3.2 oz (0.09 kg)
Heaviest
13.7 oz (0.389 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Main River Isle

Compare other species with enough survey and measurement data for a detailed page.

Stone loach Minnow Chub Dace Roach Bullhead

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →