RiverFish

Atlantic salmon · Salmo salar

Atlantic salmon in the River Test

Largest measured atlantic salmon: 22 cm

The largest atlantic salmon measured in Environment Agency surveys of the River Test was 22 cm, recorded at Romsey War Memorial Park on 5 September 2005.

Across 2,082 measured atlantic salmon, the median measured length was 9.9 cm.

Surveyors recorded weights for 428 atlantic salmon. The median was 0.5 oz (0.015 kg) and the largest recorded weight was 6.2 oz (0.176 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 Test.

See atlantic salmon records across England →

Most recent observation9 October 2025Butchers Mead · 1 fish
Largest measured atlantic salmon
22 cm
Median length
9.9 cm
Fish measured
2,082
Survey locations
48

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.

LengthSurvey dateSurvey locationSurvey ID
22 cm5 Sept 2005Romsey War Memorial Park86390
21.8 cm14 Jul 2004Sheepbridge80521
21.4 cm13 Jul 2004Wherwell Lower80551
21.3 cm26 Sept 2001Compton Carrier56314
21.2 cm13 Jul 2004Wherwell Lower80551
21 cm22 Aug 2025Romsey War Memorial Park179872
21 cm17 Jul 2024Romsey War Memorial Park166253
20.8 cm25 Aug 2004Moorcourt Carrier81791
20.7 cm19 Oct 2007Longstock Mill107833
20.7 cm25 Aug 2004Moorcourt Carrier81791

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 surveyedFirst recordedLast recordedVisits finding atlantic salmon
Kimbridge House4 Sept 20189 Oct 20258
Butchers Mead9 Oct 20259 Oct 20251
Freelands House, Wherwell17 Sept 20107 Oct 20253
Compton Islands17 Sept 202425 Sept 20252
Compton16 Jul 200425 Sept 20259
Mottisfont Bittern Shallow19 Sept 202415 Sept 20252
Linhay Meads Island Meadow15 Sept 202315 Sept 20253
Kimbridge Mill Cottage16 Sept 201015 Sept 20259
Sheepbridge14 Jul 200412 Sept 202512
Moorcourt Main25 Aug 200412 Sept 20254
Machine Shallows20 Sept 202112 Sept 20254
Meadowview23 Sept 202011 Sept 20256
Mainstone Farm12 Aug 201011 Sept 20259
Longbridge12 Aug 201011 Sept 202510
Burnt Mill7 Sept 201011 Sept 20255
Mottisfont, Oakley Farm15 Jul 200410 Sept 202511
Mayfly21 Sept 20169 Sept 20257
Romsey War Memorial Park14 Nov 200322 Aug 202517
Bunnies19 Oct 200716 Sept 20247
Broadwater Point14 Sept 202316 Sept 20242
Linhay Meads Fishermans Meadow15 Sept 202313 Sept 20242
Bossington House beat6 Sept 201813 Sept 20247
Longstock Mill19 Oct 200712 Sept 20247
Greatbridge Railway30 Sept 200411 Sept 202410
Pittleworth28 Aug 202019 Sept 20234
Nut Walk, Pittleworth15 Sept 202119 Sept 20233
Horsebridge7 Jul 200411 Sept 202311
Moorcourt Carrier25 Aug 20049 Sept 20229
Grayling Island7 Sept 20227 Sept 20221
Upper Houghton16 Sept 202116 Sept 20211
Compton Carrier26 Sept 20013 Oct 20196
Upstream M2728 Aug 200726 Sept 20197
Kimbridge House 34 Sept 20184 Sept 20181
Kimbridge House 24 Sept 20184 Sept 20181
Timsbury Mayfly carrier7 Sept 201021 Sept 20162
Mottisfont Abbey, Oakley carrier15 Jul 200421 Sept 20163
Kimbridge: Wallace's Leat confluence16 Sept 201020 Sept 20162
Kimbridge, New stream16 Sept 201020 Sept 20162
Chilbolton Common12 Jul 201212 Jul 20121
Timsbury carrier restoration site18 Oct 201118 Oct 20111
Mays Island30 Sept 200430 Sept 20041
Memorial Park Main26 Aug 200426 Aug 20041
Linhay Meads12 Aug 200412 Aug 20041
Dead End30 Jul 200430 Jul 20041
Kimbridge main15 Jul 200415 Jul 20041
North Head14 Jul 200414 Jul 20041
Wherwell Lower13 Jul 200413 Jul 20041
Bossington Mill7 Jul 20047 Jul 20041

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

2001–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 2,082 measured fish were spread across different length ranges.

Smallest
5.5 cm
Lower quarter
8.8 cm
Median
9.9 cm
Upper quarter
11 cm
Largest
22 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 428 atlantic salmon. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.002 kg)
Lower quarter
0.3 oz (0.009 kg)
Median
0.5 oz (0.015 kg)
Upper quarter
0.8 oz (0.022 kg)
Heaviest
6.2 oz (0.176 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 Test

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

Brown / sea trout European eel Bullhead Minnow Stone loach 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 →