European eel · Anguilla anguilla

European eel in the River Main Somerset Frome

Largest measured european eel: 80 cm

The largest european eel measured in Environment Agency surveys of the River Main Somerset Frome was 80 cm, recorded at Blatchbridge (Te) on 4 August 2016.

Across 90 measured european eel, the median measured length was 50 cm.

Surveyors recorded weights for 57 european eel. The median was 8.9 oz (0.251 kg) and the largest recorded weight was 1 lb 6.6 oz (0.641 kg).

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

See european eel records across England →

Most recent observation22 September 2025Tellisford, Depleted Reach · 1 fish

Largest measured european eel: 80 cm
Median length: 50 cm
Fish measured: 90
Survey locations: 8

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.

Length	Survey date	Survey location	Survey ID
80 cm	4 Aug 2016	Blatchbridge (Te)	148818
80 cm	27 Jul 2016	Welshmill	148700
70 cm	28 Sept 2004	Creamery (Te)	82700
70 cm	27 Aug 2003	Downstream Scutts Bridge (Te)	76928
65 cm	16 May 2006	Tellisford, Depleted Reach	90809
65 cm	4 Sept 2003	Creamery (Te)	76927
64.6 cm	21 Aug 2003	Snarlton Farm (Te)	76749
62 cm	24 Aug 2023	Tellisford (Te06)	163045
61 cm	10 Aug 2016	Longhouse Farm	148901
61 cm	19 Sept 2013	Tellisford (Te06)	138785

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 surveyed	First recorded	Last recorded	Visits finding european eel
Tellisford, Depleted Reach	16 May 2006	22 Sept 2025	4
Tellisford (Te06)	3 Oct 2001	24 Aug 2023	9
Snarlton Farm (Te)	21 Aug 2003	23 Jul 2019	9
Longhouse Farm	10 Aug 2016	10 Aug 2016	1
Blatchbridge (Te)	17 Aug 2010	4 Aug 2016	2
Welshmill	27 Jul 2016	27 Jul 2016	1
Downstream Scutts Bridge (Te)	27 Aug 2003	29 Sept 2010	4
Creamery (Te)	4 Sept 2003	10 Aug 2010	5

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

2001–2025

Survey records by year

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

101

002

403

304

305

406

307

008

009

510

011

012

313

014

015

516

017

018

219

020

021

022

123

024

125

Fish measured by surveyors

Measured length distribution

See how the 90 measured fish were spread across different length ranges.

Smallest: 12 cm
Lower quarter: 41 cm
Median: 50 cm
Upper quarter: 57.4 cm
Largest: 80 cm

100–199 mm

200–299 mm

300–399 mm

400–499 mm

500–599 mm

600–699 mm

700–799 mm

800–899 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 57 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.3 oz (0.008 kg)
Lower quarter: 5.3 oz (0.151 kg)
Median: 8.9 oz (0.251 kg)
Upper quarter: 12 oz (0.34 kg)
Heaviest: 1 lb 6.6 oz (0.641 kg)

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

More fish in this river

Explore the River Main Somerset Frome

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

Minnow Stone loach Roach Bullhead 3-spined stickleback Chub

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 →