Occurrence records 

species:  Pacifastacus leniusculus |  Signal Crayfish Date: 2025-04-24 Wales OSGR: SJ395465

Data resource: Invasive non-native species records from SEWeb Basis of record: Human observation View record

genus:  Austropotamobius Date: 2024-08-06 Wales OSGR: SN9423050111

Data resource: KiEco Ecology: Freshwater Fish Basis of record: Human observation View record

species:  Necora puber |  Velvet swimming crab Date: 2024-08-06 Wales OSGR: SM80

Data resource: West Wales Online Records Basis of record: Human observation View record

species:  Palaemon serratus |  Common Prawn Date: 2024-08-06 Wales OSGR: SM80

Data resource: West Wales Online Records Basis of record: Human observation View record

species:  Pacifastacus leniusculus |  Signal Crayfish Date: 2024-07-15 Wales OSGR: SJ1653518905

Data resource: KiEco Ecology: Freshwater Fish Basis of record: Human observation View record

species:  Pacifastacus leniusculus |  Signal Crayfish Date: 2024-07-09 Wales OSGR: SO1620094702

Data resource: KiEco Ecology: Freshwater Fish Basis of record: Human observation View record

species:  Pacifastacus leniusculus |  Signal Crayfish Date: 2024-07-04 Wales OSGR: SO1360093902

Data resource: KiEco Ecology: Freshwater Fish Basis of record: Human observation View record

species:  Pacifastacus leniusculus |  Signal Crayfish Date: 2024-06-25 Wales OSGR: SJ2402873483

Data resource: KiEco Ecology: Freshwater Fish Basis of record: Human observation View record

species:  Pacifastacus leniusculus |  Signal Crayfish Date: 2024-06-05 Wales OSGR: SO3006313638

Data resource: KiEco Ecology: Freshwater Fish Basis of record: Human observation View record

infraorder:  Caridea |  Prawn Date: 2024-06-02 Wales OSGR: SN40

Data resource: West Wales Online Records Basis of record: Human observation View record

species:  Eriocheir sinensis |  Chinese Mitten Crab Date: 2024-04-21 Wales OSGR: SH782784

Data resource: Verified marine records from Indicia-based surveys Basis of record: Human observation View record

species:  Eriocheir sinensis |  Chinese Mitten Crab Date: 2024-04-21 Wales OSGR: SH78477824

Data resource: Verified marine records from Indicia-based surveys Basis of record: Human observation View record

species:  Eriocheir sinensis |  Chinese Mitten Crab Date: 2024-04-12 Wales OSGR: SH78297850

Data resource: Verified marine records from Indicia-based surveys Basis of record: Human observation View record

species:  Eriocheir sinensis |  Chinese Mitten Crab Date: 2024-04-06 Wales OSGR: SH78287853

Data resource: Verified marine records from Indicia-based surveys Basis of record: Human observation View record

species:  Eriocheir sinensis |  Chinese Mitten Crab Date: 2024-03-27 Wales OSGR: SH78287852

Data resource: Verified marine records from Indicia-based surveys Basis of record: Human observation View record

infraorder:  Caridea |  Prawn Date: 2024-01-14 Wales OSGR: SS87

Data resource: SEWBReC Myriapods, Isopods, and allied species (South East Wales) Basis of record: Human observation View record

species:  Carcinus maenas |  Green Shore Crab Date: 2023-12-26 Wales OSGR: SS78

Data resource: SEWBReC Myriapods, Isopods, and allied species (South East Wales) Basis of record: Human observation View record

species:  Cancer pagurus |  Edible crab Date: 2023-12-26 Wales OSGR: SS78

Data resource: SEWBReC Myriapods, Isopods, and allied species (South East Wales) Basis of record: Human observation View record

species:  Pagurus bernhardus |  Hermit Crab Date: 2023-12-26 Wales OSGR: SS78

Data resource: SEWBReC Myriapods, Isopods, and allied species (South East Wales) Basis of record: Human observation View record

species:  Porcellana platycheles |  Broad-clawed Porcelain Crab Date: 2023-10-15 Wales OSGR: SS96

Data resource: SEWBReC Myriapods, Isopods, and allied species (South East Wales) Basis of record: Human observation View record