Atlantic salmon · Salmo salar

Atlantic salmon in the River Chess

Largest measured atlantic salmon: 26.5 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Chess was 26.5 cm, recorded at Mountwood Ford on 1 December 1987.

Across 73 measured atlantic salmon, the median measured length was 14.8 cm.

Surveyors recorded weights for 65 atlantic salmon. The median was 1.4 oz (0.039 kg) and the largest recorded weight was 7.3 oz (0.207 kg).

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

See atlantic salmon records across England →

Most recent observation15 December 1987Scotts Bridge · 7 fish

Largest measured atlantic salmon: 26.5 cm
Median length: 14.8 cm
Fish measured: 73
Survey locations: 6

Individual EA measurements

Largest measured atlantic salmon

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

Length	Survey date	Survey location	Survey ID
26.5 cm	1 Dec 1987	Mountwood Ford	116111
20.5 cm	25 Nov 1987	Latimer Island	116113
19.4 cm	25 Nov 1987	Latimer Island	116113
18.3 cm	25 Nov 1987	Latimer Island	116113
18 cm	24 Nov 1987	Loudwater Lane (Masonic Lodge)	116105
17.8 cm	25 Nov 1987	Latimer Island	116113
17.7 cm	25 Nov 1987	Latimer Island	116113
17.4 cm	25 Nov 1987	Latimer Island	116113
17.4 cm	25 Nov 1987	Latimer Island	116113
17.1 cm	3 Dec 1987	Sarratt Mill	116102

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

Explore the river

Where atlantic salmon were found

Each point marks a survey location with at least one atlantic salmon 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 surveyed	First recorded	Last recorded	Visits finding atlantic salmon
Scotts Bridge	15 Dec 1987	15 Dec 1987	1
British Fresian Society	4 Dec 1987	4 Dec 1987	1
Sarratt Mill	3 Dec 1987	3 Dec 1987	1
Mountwood Ford	1 Dec 1987	1 Dec 1987	1
Latimer Island	25 Nov 1987	25 Nov 1987	1
Loudwater Lane (Masonic Lodge)	24 Nov 1987	24 Nov 1987	1

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

1987–1987

Survey records by year

Each bar shows how many survey visits recorded atlantic salmon that year.

687

Fish measured by surveyors

Measured length distribution

See how the 73 measured fish were spread across different length ranges.

Smallest: 1.4 cm
Lower quarter: 13.5 cm
Median: 14.8 cm
Upper quarter: 15.9 cm
Largest: 26.5 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 65 atlantic salmon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.4 oz (0.01 kg)
Lower quarter: 1 oz (0.027 kg)
Median: 1.4 oz (0.039 kg)
Upper quarter: 1.8 oz (0.05 kg)
Heaviest: 7.3 oz (0.207 kg)

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

More fish in this river

Explore the River Chess

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

Brown / sea trout Bullhead Stone loach Minnow 3-spined stickleback Grayling

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 →