New Zealand Map Series 1:
S71 681 621 (WGS84 -43.477521 170.009418)
New Zealand Map Series 260:
H35 681 434 (WGS84 -43.477774 170.009248)
Latitude and Longitude (WGS84):
42°25´ S 74°7´ W (WGS84 -42.416667 -74.116667)
Abundance:
Rare
Altitudes:
from 170m
Habitat:
In silt, in open river flat above normal flood level.