10-200 cm.
Хищно. В блата, езера, бавнотечащи води.
. 0 .. 2000 m. VI-VIII. [VI-VIII].
HD 92/43: 3140, 3150
RDB: 04C1
EUNIS: C1.22, C1.23, C1.24, C1.32, C1.33
PAL.CLASS.: (22.12 х 22.44), (22.15 x 22.44), (22.13 х 22.41), (22.13 х 22.421), 22.41, 22.42, 22.431