Species Detail - duck leech (Theromyzon tessulatum) - Species information displayed is based on the dataset "Local BioBlitz Challenge 2013".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).
Theromyzon tessulatum
duck leech
NHMSYS0000068877
RecommendedWell-formed
N/A
thtes
(O.F. Müller, 1774)
Annelid
Species
1
1
1
08/06/2013
08/06/2013
30 April (recorded in 2002)
20 August (recorded in 2002)
Collated by the National Biodiversity Data Centre from different sources, Local BioBlitz Challenge 2013, National Biodiversity Data Centre, Ireland, duck leech (Theromyzon tessulatum), accessed 20 July 2025, <https://maps.biodiversityireland.ie/Dataset/184/Species/8808>