Individual EA measurements
Largest measured perch
The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where perch were found
Each point marks a survey location with at least one perch 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 perch |
|---|---|---|---|
| 2010 | 14 Sept 2010 | 14 Sept 2010 | 1 |
| 2009 | 3 Nov 2009 | 3 Nov 2009 | 1 |
| 2006 | 27 Oct 2006 | 27 Oct 2006 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
2006–2010
Survey records by year
Each bar shows how many survey visits recorded perch that year.
Fish measured by surveyors
Measured length distribution
See how the 2 measured fish were spread across different length ranges.
- Smallest
- 20.4 cm
- Lower quarter
- 20.9 cm
- Median
- 21.4 cm
- Upper quarter
- 21.9 cm
- Largest
- 22.4 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Woolston Fish Trap
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 →