Species Detail - Neptune's Heart Sea Squirt (Phallusia mammillata) - Species information displayed is based on the dataset "Irish Lagoon Surveys".

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
1
1
1
01/07/2016
31/10/2016
21 May (recorded in 2023)
16 November (recorded in 2024)
Geoff Oliver and Eddie McCormack, Irish Lagoon Surveys, National Biodiversity Data Centre, Ireland, Neptune's Heart Sea Squirt (Phallusia mammillata), accessed 15 July 2025, <https://maps.biodiversityireland.ie/Dataset/303/Species/134359>

Records per month (across all datasets)

Records per year (across all datasets)