RiverFish

Motherless minnow / Sunbleak · Leucaspius delineatus

Motherless minnow / Sunbleak in the Main River Isle

Largest measured motherless minnow / sunbleak: 6.6 cm

The largest motherless minnow / sunbleak measured in Environment Agency surveys of the Main River Isle was 6.6 cm, recorded at Midelney on 28 June 2017.

Across 21 measured motherless minnow / sunbleak, the median measured length was 5.3 cm.

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 motherless minnow / sunbleak records across England →

Most recent observation23 June 2022Midelney · 1 fish
Largest measured motherless minnow / sunbleak
6.6 cm
Median length
5.3 cm
Fish measured
21
Survey locations
1

Individual EA measurements

Largest measured motherless minnow / sunbleak

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

LengthSurvey dateSurvey locationSurvey ID
6.6 cm28 Jun 2017Midelney150693
6.1 cm23 Jul 2008Midelney112076
6.1 cm23 Jul 2008Midelney112076
5.9 cm23 Jul 2008Midelney112076
5.7 cm23 Jul 2008Midelney112076
5.7 cm23 Jul 2008Midelney112076
5.7 cm23 Jul 2008Midelney112076
5.6 cm11 Jul 2013Midelney137155
5.5 cm23 Jun 2022Midelney161067
5.4 cm11 Jul 2013Midelney137155

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

Explore the river

Where motherless minnow / sunbleak were found

Each point marks a survey location with at least one motherless minnow / sunbleak 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 motherless minnow / sunbleak
Midelney11 Sept 200723 Jun 20226

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

2007–2022

Survey records by year

Each bar shows how many survey visits recorded motherless minnow / sunbleak that year.

Fish measured by surveyors

Measured length distribution

See how the 21 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
4.8 cm
Median
5.3 cm
Upper quarter
5.7 cm
Largest
6.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Isle

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

European eel Stone loach Minnow Chub Dace Roach

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 →