Species Detail - Neptune's Heart Sea Squirt (Phallusia mammillata) - Species information displayed is based on all datasets.

Terrestrial Map - 10km

Distribution of the number of records recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).
Live Map
Phallusia mammillata
Neptune's Heart Sea Squirt
NBNSYS0000177106 RecommendedWell-formed
N/A
phmam
(Cuvier, 1815)
Tunicate (Urochordata)
Species
42
15
9
31/05/1993
16/11/2024
21 May (recorded in 2023)
16 November (recorded in 2024)
National Biodiversity Data Centre, Ireland, Neptune's Heart Sea Squirt (Phallusia mammillata), accessed 16 July 2025, <https://maps.biodiversityireland.ie/Species/134359>

Records per month (across all datasets)

Records per year (across all datasets)