Iso-Raatteinen is a large lake (14.7 ha) with a maximum depth of 8 m.
The shores are very diverse, with forest, reedland (P. australis), and peat mos vegetation.
Dragonfly observations Iso-Raatteinen
| Species | Finnish name | Adult | Exuviae | |
|---|---|---|---|---|
| 1 | A. grandis | - | + | |
| 2 | A. juncea | - | + | |
| 3 | C. aenae | - | + | |
| 4 | S. metalica | - | + | |
| 5 | E. bimaculata | - | + | |
| 6 | L. quadrimaculata | - | + |