Species Detail - Portuguese Oyster (Crassostrea gigas) - Species information displayed is based on the dataset "Explore Your Shore".

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

Species image

Crassostrea gigas
Crassostrea gigas
Portuguese Oyster
NBNSYS0000174740 UnverifiedUnverified
Invasive Species: Invasive Species || Invasive Species: Invasive Species >> High Impact Invasive Species
crgig
(Thunberg, 1793)
mollusc
Species
55
32
22
15/04/2019
23/11/2024
8 January (recorded in 2022)
12 December (recorded in 2019)
National Biodiversity Data Centre, Explore Your Shore, National Biodiversity Data Centre, Ireland, Portuguese Oyster (Crassostrea gigas), accessed 28 April 2025, <https://maps.biodiversityireland.ie/Dataset/305/Species/120448>

Records per month (across all datasets)

National Biodiversity Data Centre, Ireland, Portuguese Oyster (Crassostrea gigas), image, accessed 28 April 2025, <https://maps.biodiversityireland.ie/Dataset/305/Species/120448>

Records per year (across all datasets)

National Biodiversity Data Centre, Ireland, Portuguese Oyster (Crassostrea gigas), image, accessed 28 April 2025, <https://maps.biodiversityireland.ie/Dataset/305/Species/120448>