RiverFish

Flounder · Platichthys flesus

Flounder in the River Hull

Largest measured flounder: 45.1 cm

The largest flounder measured in Environment Agency surveys of the River Hull was 45.1 cm, recorded at Hempholme Lock HULLCRS/(LOWER)1 on 22 September 2010.

Across 92 measured flounder, the median measured length was 14.2 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 Hull.

See flounder records across England →

Most recent observation21 September 2016Wilfholme Landing HULLCRS/(LOWER)2 · 2 fish
Largest measured flounder
45.1 cm
Median length
14.2 cm
Fish measured
92
Survey locations
6

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
45.1 cm22 Sept 2010Hempholme Lock HULLCRS/(LOWER)1124360
33.2 cm9 Oct 2000Corpslanding, West Beck HULLCRS/(UPPER)1109566
31.4 cm10 Oct 2001Upstream of Hull Bridge HULLCRS/(LOWER)367980
30.1 cm12 Oct 2009us Weel Bridge119838
29.7 cm12 Oct 2009us Weel Bridge119838
29.5 cm12 Oct 2009us Weel Bridge119838
29.3 cm12 Oct 2009Upstream of Hull Bridge HULLCRS/(LOWER)3119833
28.3 cm10 Oct 2001Upstream of Hull Bridge HULLCRS/(LOWER)367980
28.1 cm9 Sept 2013Hempholme Lock HULLCRS/(LOWER)1138639
27.8 cm12 Oct 2009us Weel Bridge119838

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
Wilfholme Landing HULLCRS/(LOWER)28 Oct 200121 Sept 20168
Hempholme Lock HULLCRS/(LOWER)18 Oct 20019 Sept 20136
Upstream weel angling7 Oct 20127 Oct 20121
us Weel Bridge22 Oct 200712 Oct 20092
Upstream of Hull Bridge HULLCRS/(LOWER)310 Oct 200112 Oct 20096
Corpslanding, West Beck HULLCRS/(UPPER)19 Oct 20009 Oct 20001

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

2000–2016

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 92 measured fish were spread across different length ranges.

Smallest
4.3 cm
Lower quarter
7.9 cm
Median
14.2 cm
Upper quarter
19.4 cm
Largest
45.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Hull

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

Pike European eel 3-spined stickleback Bullhead Perch Minnow

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 →