RiverFish

Pike · Esox lucius

Pike in the River R.Hertford System

Largest measured pike: 70.7 cm

The largest pike measured in Environment Agency surveys of the River R.Hertford System was 70.7 cm, recorded at Derwent conf - u/s on 13 August 2010.

Across 10 measured pike, the median measured length was 33 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 R.Hertford System.

See pike records across England →

Most recent observation31 July 2024Derwent conf - u/s · 1 fish
Largest measured pike
70.7 cm
Median length
33 cm
Fish measured
10
Survey locations
2

Individual EA measurements

Largest measured pike

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

LengthSurvey dateSurvey locationSurvey ID
70.7 cm13 Aug 2010Derwent conf - u/s124884
57.4 cm5 Jul 2012Derwent conf - u/s132259
52.5 cm13 Aug 2010Derwent conf - u/s124884
38.5 cm27 Jun 2013Willerby Carr136782
36.6 cm5 Jul 2012Derwent conf - u/s132259
29.5 cm27 Jun 2013Willerby Carr136782
26.6 cm25 Jun 2018Derwent conf - u/s152681
26 cm31 Jul 2024Derwent conf - u/s166033
23.4 cm25 Jun 2018Derwent conf - u/s152681
20.3 cm27 Jun 2013Willerby Carr136782

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

Explore the river

Where pike were found

Each point marks a survey location with at least one pike 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 pike
Derwent conf - u/s13 Aug 201031 Jul 20244
Willerby Carr27 Jun 201327 Jun 20131

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

2010–2024

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 10 measured fish were spread across different length ranges.

Smallest
20.3 cm
Lower quarter
26.2 cm
Median
33.1 cm
Upper quarter
49 cm
Largest
70.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River R.Hertford System

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

3-spined stickleback 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 →