Pike · Esox lucius

Pike in the Grand Union Canal

Largest measured pike: 80.1 cm

The largest pike measured in Environment Agency surveys of the Grand Union Canal was 80.1 cm, recorded at Upstream Coppermill Lock to Springwell Lock on 4 June 2013.

Across 84 measured pike, the median measured length was 48.6 cm.

Surveyors recorded weights for 81 pike. The median was 2 lb 0.1 oz (0.909 kg) and the largest recorded weight was 8 lb 9.9 oz (3.91 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Grand Union Canal.

See pike records across England →

Most recent observation16 September 2013Springwell Backwater · 1 fish
Largest measured pike
80.1 cm
Median length
48.6 cm
Fish measured
84
Survey locations
16

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
80.1 cm4 Jun 2013Upstream Coppermill Lock to Springwell Lock136266
77.4 cm8 Mar 1988Stockers Farm116413
68.4 cm9 Mar 1988Cassiobury Park u/s Lock116407
68.1 cm8 Mar 1988Stockers Farm116413
66 cm21 Apr 1988Hunton Bridge116477
65.6 cm9 Dec 1986York Way116132
64 cm23 Mar 1988Victoria Park116189
62.8 cm3 Mar 1988Winkwell Lane, Bourne End116491
62.5 cm8 Mar 1988Stockers Farm116413
62.2 cm9 Mar 1988Cassiobury Park u/s Lock116407

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
Springwell Backwater16 Sept 201316 Sept 20131
Upstream Coppermill Lock to Springwell Lock4 Jun 20134 Jun 20131
Slough Arm at Iver North STW26 Apr 198826 Apr 19881
Hunton Bridge21 Apr 198821 Apr 19881
Victoria Park23 Mar 198823 Mar 19881
Coppermill Lane, Rickmansworth18 Mar 198818 Mar 19881
Cassiobury Park u/s Lock9 Mar 19889 Mar 19881
Stockers Farm8 Mar 19888 Mar 19881
Winkwell Lane, Bourne End3 Mar 19883 Mar 19881
Slough Arm at B470 Road29 Feb 198829 Feb 19881
Stockley Road5 Nov 19875 Nov 19871
Horsendon Lane5 Jun 19875 Jun 19871
The Common13 May 198713 May 19871
Berkhamsted31 Mar 198731 Mar 19871
Johnsons Lock17 Mar 198717 Mar 19871
York Way9 Dec 19869 Dec 19861

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

1986–2013

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 84 measured fish were spread across different length ranges.

Smallest
14.2 cm
Lower quarter
36.1 cm
Median
48.7 cm
Upper quarter
54.4 cm
Largest
80.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 81 pike. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.7 oz (0.02 kg)
Lower quarter
15.6 oz (0.443 kg)
Median
2 lb 0.1 oz (0.909 kg)
Upper quarter
2 lb 14.7 oz (1.33 kg)
Heaviest
8 lb 9.9 oz (3.91 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Grand Union Canal

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

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 →