Smelt · Osmerus eperlanus

Smelt in the River Heigham Sound

Largest measured smelt: 12.5 cm

The largest smelt measured in Environment Agency surveys of the River Heigham Sound was 12.5 cm, recorded at 57 on 23 September 1986.

Across 63 measured smelt, the median measured length was 10.5 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 Heigham Sound.

See smelt records across England →

Most recent observation30 September 199361 · 3 fish

Largest measured smelt: 12.5 cm
Median length: 10.5 cm
Fish measured: 63
Survey locations: 5

Individual EA measurements

Largest measured smelt

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
12.5 cm	23 Sept 1986	57	16916
12.2 cm	27 Sept 1989	58	16924
12.1 cm	28 Sept 1989	61	16925
12 cm	29 Sept 1986	59	16918
11.9 cm	30 Sept 1993	61	16928
11.8 cm	28 Sept 1989	61	16925
11.8 cm	27 Sept 1989	58	16924
11.6 cm	29 Sept 1986	58	16917
11.6 cm	23 Sept 1986	57	16916
11.5 cm	29 Sept 1986	58	16917

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

Explore the river

Where smelt were found

Each point marks a survey location with at least one smelt 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 smelt
61	30 Sept 1986	30 Sept 1993	3
57	23 Sept 1986	29 Sept 1989	2
58	29 Sept 1986	27 Sept 1989	2
60	30 Sept 1986	30 Sept 1986	1
59	29 Sept 1986	29 Sept 1986	1

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

1986–1993

Survey records by year

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

586

087

088

389

090

091

092

193

Fish measured by surveyors

Measured length distribution

See how the 63 measured fish were spread across different length ranges.

Smallest: 9 cm
Lower quarter: 10 cm
Median: 10.5 cm
Upper quarter: 11.1 cm
Largest: 12.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Heigham Sound

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

Flounder Roach Perch Common bream Common goby

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 →