Individual EA measurements
Largest measured flounder
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 |
|---|---|---|---|
| 33 cm | 17 Nov 1994 | Downstream Cantley Dyke | 17563 |
| 26.4 cm | 30 Sept 1987 | Downstream Reedham Bridge | 17525 |
| 22.7 cm | 3 Nov 1991 | Downstream Cantley Dyke | 17544 |
| 22 cm | 1 Oct 1987 | Berney Arms | 17528 |
| 21.7 cm | 3 Nov 1991 | Downstream Cantley Dyke | 17544 |
| 21.7 cm | 3 Nov 1991 | Downstream Cantley Dyke | 17544 |
| 21.6 cm | 30 Sept 1987 | Downstream Reedham Bridge | 17525 |
| 21.5 cm | 1 Oct 1987 | Berney Arms | 17528 |
| 21.3 cm | 4 Dec 1991 | Hardley Dyke | 17546 |
| 21.2 cm | 30 Sept 1987 | Downstream Reedham Bridge | 17525 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where flounder were found
Each point marks a survey location with at least one flounder 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 flounder |
|---|---|---|---|
| Rockland Staithe | 19 Mar 2010 | 19 Mar 2010 | 1 |
| Langley Pump House | 31 Oct 1991 | 2 Sept 1997 | 2 |
| Downstream Cantley Dyke | 28 Sept 1987 | 2 Sept 1997 | 4 |
| Downstream Cantley B.S. | 28 Sept 1987 | 2 Sept 1997 | 4 |
| Downstream Beauchamp Arms | 16 Sept 1987 | 2 Sept 1997 | 4 |
| Surlingham Bend | 17 Nov 1986 | 14 Aug 1997 | 3 |
| Bramerton Woods | 15 Sept 1987 | 14 Aug 1997 | 4 |
| Strumpshaw | 29 Oct 1991 | 12 Aug 1997 | 2 |
| Frostbite Sailing Club | 19 Nov 1986 | 29 Nov 1994 | 3 |
| Electricity Station | 19 Nov 1986 | 29 Nov 1994 | 2 |
| Colmans Factory | 20 Nov 1986 | 29 Nov 1994 | 2 |
| Whitlingham Outfall | 18 Nov 1986 | 25 Nov 1994 | 3 |
| Downstream Whitlingham Outfall | 18 Nov 1986 | 25 Nov 1994 | 2 |
| Brundall Gardens | 13 Nov 1986 | 25 Nov 1994 | 4 |
| Hardley Marshes | 6 Oct 1987 | 18 Nov 1994 | 3 |
| Upstream Beauchamp Arms | 13 Nov 1986 | 17 Nov 1994 | 4 |
| Hardley Dyke | 30 Sept 1987 | 4 Dec 1991 | 2 |
| Chet Mouth | 30 Sept 1987 | 4 Dec 1991 | 2 |
| Whitlingham Lane | 18 Nov 1986 | 13 Nov 1991 | 2 |
| Hall Farm | 15 Sept 1987 | 13 Nov 1991 | 2 |
| Downstream Hardley Marshes | 6 Oct 1987 | 6 Oct 1987 | 1 |
| Downstream Chedgrave Common | 6 Oct 1987 | 6 Oct 1987 | 1 |
| Reedham Marshes | 1 Oct 1987 | 1 Oct 1987 | 1 |
| Chedgrave Marshes | 1 Oct 1987 | 1 Oct 1987 | 1 |
| Berney Arms | 1 Oct 1987 | 1 Oct 1987 | 1 |
| Downstream Reedham Ferry | 30 Sept 1987 | 30 Sept 1987 | 1 |
| Downstream Reedham Bridge | 30 Sept 1987 | 30 Sept 1987 | 1 |
| Boulton & Paul | 20 Nov 1986 | 20 Nov 1986 | 1 |
| Coldham Hall | 13 Nov 1986 | 13 Nov 1986 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1986–2010
Survey records by year
Each bar shows how many survey visits recorded flounder that year.
Fish measured by surveyors
Measured length distribution
See how the 852 measured fish were spread across different length ranges.
- Smallest
- 3.3 cm
- Lower quarter
- 6.6 cm
- Median
- 8.3 cm
- Upper quarter
- 11.8 cm
- Largest
- 33 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Tidal Yare
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 →