RiverFish

European eel · Anguilla anguilla

European eel in the River Black Sewer

Largest measured european eel: 50 cm

The largest european eel measured in Environment Agency surveys of the River Black Sewer was 50 cm, recorded at Kings Barn Farm, d/s STW on 22 August 2005.

Across 255 measured european eel, the median measured length was 25.5 cm.

Surveyors recorded weights for 194 european eel. The median was 1.2 oz (0.035 kg) and the largest recorded weight was 8.8 oz (0.25 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 Black Sewer.

See european eel records across England →

Most recent observation3 September 2012Kings Barn Farm, d/s STW · 7 fish
Largest measured european eel
50 cm
Median length
25.5 cm
Fish measured
255
Survey locations
3

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
50 cm22 Aug 2005Kings Barn Farm, d/s STW87472
49.5 cm22 Aug 2005Kings Barn Farm, u/s STW87474
48.8 cm27 Aug 2002Kings Barn Farm, d/s STW72289
45 cm22 Aug 2005Kings Barn Farm, d/s STW87472
44.5 cm15 Aug 2006Kings Barn Farm, d/s STW102345
42 cm15 Aug 2007Kings Barn Farm, d/s STW107282
42 cm16 Jul 2004Kings Barn Farm, d/s STW80836
42 cm29 Jul 2003Kings Barn Farm, u/s STW76614
41 cm22 Aug 2005Kings Barn Farm, d/s STW87472
39.6 cm27 Aug 2002Kings Barn Farm, d/s STW72289

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
Kings Barn Farm, d/s STW27 Aug 20023 Sept 201210
Black Sewer Upper27 Aug 20023 Aug 20114
Kings Barn Farm, u/s STW6 May 199815 Aug 20077

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

1998–2012

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 255 measured fish were spread across different length ranges.

Smallest
11 cm
Lower quarter
20 cm
Median
25.5 cm
Upper quarter
31 cm
Largest
50 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 194 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.002 kg)
Lower quarter
0.6 oz (0.0182 kg)
Median
1.2 oz (0.035 kg)
Upper quarter
2.2 oz (0.0628 kg)
Heaviest
8.8 oz (0.25 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 Black Sewer

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

Brown / sea trout Stone loach 3-spined stickleback Chub Flounder Dace

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 →