20-100 cm.
В реки, езера, блата.
. 0 .. 200 m. VI-IX.
HD 92/43: 1150, 2190, 3140, 3150, 3160
RDB: 04C1, 17C3
EUNIS: C1.22, C1.23, C1.24, C1.32, C1.33, C3.249
PAL.CLASS.: 16.31, 16.32, 16.33, 16.34, 16.35, 21, (22.12 х 22.44), (22.15 x 22.44), (22.13 х 22.41), (22.13 х 22.421), 24.4, 22.41, 22.42, 22.431, 53.149