RiverFish

European eel · Anguilla anguilla

European eel in the River Main Porth

Largest measured european eel: 53 cm

The largest european eel measured in Environment Agency surveys of the River Main Porth was 53 cm, recorded at Rialton Bridge on 10 June 2005.

Across 109 measured european eel, the median measured length was 19 cm.

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 Porth.

See european eel records across England →

Most recent observation12 June 2015Rialton Bridge · 13 fish
Largest measured european eel
53 cm
Median length
19 cm
Fish measured
109
Survey locations
5

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
53 cm10 Jun 2005Rialton Bridge86784
46 cm16 Jun 2005Melancoose86782
39.5 cm10 Jun 2005Rialton Bridge86784
39 cm12 Jun 2015Rialton Bridge144939
36 cm10 Jun 2005Rialton Bridge86784
35 cm15 Sept 2006Rialton Bridge101517
33 cm12 Jun 2015Rialton Bridge144939
33 cm28 May 2012Rialton Bridge131281
33 cm10 Jun 2005Rialton Bridge86784
32.5 cm16 Jun 2005Melancoose86782

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
Rialton Bridge2 Jun 198612 Jun 20155
Tregoose Ford Bridge24 May 201224 May 20121
Melancoose16 Jun 200523 Aug 20062
Nanswhydden2 Jun 19862 Jun 19861
Nankelly21 May 198621 May 19861

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

1986–2015

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 109 measured fish were spread across different length ranges.

Smallest
7 cm
Lower quarter
12 cm
Median
19 cm
Upper quarter
25 cm
Largest
53 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Porth

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

Brown / sea trout Roach Perch

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 →