RiverFish

Flounder · Platichthys flesus

Flounder in the River Rockhampton Rhine

Largest measured flounder: 47 cm

The largest flounder measured in Environment Agency surveys of the River Rockhampton Rhine was 47 cm, recorded at The Naite on 7 June 1995.

Across 30 measured flounder, the median measured length was 13.2 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 Rockhampton Rhine.

See flounder records across England →

Most recent observation18 May 2017Oldbury Naite · 2 fish
Largest measured flounder
47 cm
Median length
13.2 cm
Fish measured
30
Survey locations
3

Individual EA measurements

Largest measured flounder

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

LengthSurvey dateSurvey locationSurvey ID
47 cm7 Jun 1995The Naite74441
28.8 cm7 Jun 1995The Naite74441
19.2 cm7 Jun 1995The Naite74441
19.1 cm7 Jun 1995The Naite74441
18.5 cm7 Jun 1995The Naite74441
17.9 cm4 Aug 2010Oldbury Naite123315
16.9 cm7 Jun 1995The Naite74441
16.8 cm7 Jun 1995The Naite74441
15.5 cm7 Jun 1995The Naite74441
15.5 cm7 Jun 1995The Naite74441

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

Explore the river

Where flounder were found

Each point marks a survey location with at least one flounder 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 flounder
Oldbury Naite4 Aug 201018 May 20172
Oldbury on Severn12 Apr 200212 Apr 20021
The Naite7 Jun 19957 Jun 19951

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

1995–2017

Survey records by year

Each bar shows how many survey visits recorded flounder that year.

Fish measured by surveyors

Measured length distribution

See how the 30 measured fish were spread across different length ranges.

Smallest
6.6 cm
Lower quarter
9.3 cm
Median
13.2 cm
Upper quarter
16.5 cm
Largest
47 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rockhampton Rhine

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

3-spined stickleback European eel

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 →