European eel · Anguilla anguilla

European eel in the Main River Biss

Largest measured european eel: 76 cm

The largest european eel measured in Environment Agency surveys of the Main River Biss was 76 cm, recorded at u/s Blackball Hatch (Te) on 14 July 2004.

Across 15 measured european eel, the median measured length was 64.8 cm.

Surveyors recorded weights for 15 european eel. The median was 1 lb 0.9 oz (0.48 kg) and the largest recorded weight was 1 lb 11.9 oz (0.792 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 Biss.

See european eel records across England →

Most recent observation14 July 2004u/s Blackball Hatch (Te) · 1 fish

Largest measured european eel: 76 cm
Median length: 64.8 cm
Fish measured: 15
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.

Length	Survey date	Survey location	Survey ID
76 cm	14 Jul 2004	u/s Blackball Hatch (Te)	80754
68.9 cm	31 Jul 1997	Ashton Hill Farm	77048
68 cm	11 Sept 1997	Ladydown Mill	77050
66.5 cm	11 Sept 1997	Ladydown Mill	77050
66 cm	11 Sept 1997	Ladydown Mill	77050
65.1 cm	11 Sept 1997	Ladydown Mill	77050
64.9 cm	11 Sept 1997	Ladydown Mill	77050
64.8 cm	11 Sept 1997	Ladydown Mill	77050
63 cm	11 Sept 1997	Ladydown Mill	77050
62 cm	11 Sept 1997	Ladydown Mill	77050

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
u/s Blackball Hatch (Te)	14 Jul 2004	14 Jul 2004	1
Ladydown Mill	11 Sept 1997	11 Sept 1997	1
Ashton Hill Farm	31 Jul 1997	31 Jul 1997	1

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

1997–2004

Survey records by year

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

297

098

099

000

001

002

003

104

Fish measured by surveyors

Measured length distribution

See how the 15 measured fish were spread across different length ranges.

Smallest: 51 cm
Lower quarter: 57.8 cm
Median: 64.8 cm
Upper quarter: 66.3 cm
Largest: 76 cm

500–599 mm

600–699 mm

700–799 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 15 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest: 8.3 oz (0.235 kg)
Lower quarter: 14.4 oz (0.408 kg)
Median: 1 lb 0.9 oz (0.48 kg)
Upper quarter: 1 lb 5.6 oz (0.613 kg)
Heaviest: 1 lb 11.9 oz (0.792 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 Biss

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

Bullhead Brown / sea trout Minnow Chub Dace 3-spined stickleback

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 →