Individual EA measurements
Largest measured bitterling
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 |
|---|---|---|---|
| 6 cm | 15 Jun 2004 | Dawh20 | 80208 |
| 6 cm | 15 Jun 2004 | Dawh20 | 80208 |
| 5.9 cm | 15 Jun 2004 | Dawh20 | 80208 |
| 5.5 cm | 4 Jun 2003 | Dawh15 | 76069 |
| 5.3 cm | 20 Aug 2002 | Dawh20 | 55511 |
| 5.1 cm | 15 Jun 2004 | Dawh20 | 80208 |
| 4.6 cm | 3 Jun 2003 | Dawh20 | 76071 |
| 4.5 cm | 27 Jul 2001 | Dawh05 | 55009 |
| 4.3 cm | 4 Jun 2003 | Dawh15 | 76069 |
| 4.3 cm | 3 Jun 2003 | Dawh20 | 76071 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where bitterling were found
Each point marks a survey location with at least one bitterling 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 bitterling |
|---|---|---|---|
| Dawh15 | 4 Jun 2003 | 5 Jul 2006 | 2 |
| Dawh20 | 20 Aug 2002 | 21 Jul 2005 | 4 |
| Dawh05 | 27 Jul 2001 | 27 Jul 2001 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
2001–2006
Survey records by year
Each bar shows how many survey visits recorded bitterling that year.
Fish measured by surveyors
Measured length distribution
See how the 15 measured fish were spread across different length ranges.
- Smallest
- 3 cm
- Lower quarter
- 4.2 cm
- Median
- 4.5 cm
- Upper quarter
- 5.4 cm
- Largest
- 6 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Wheelock
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 →