Metadata CatalogueMetadata Cataloguehttps://metadatacatalogue.lifewatch.eu/https://metadatacatalogue.lifewatch.eu//srv/eng/portal.opensearch https://metadatacatalogue.lifewatch.eu//srv/eng/rdf.search?any= engContinents, countries, sea regions of the world.https://metadatacatalogue.lifewatch.eu//srv/eng/thesaurus.download?ref=external.place.regionsecoportal.fos_1.rdfhttps://metadatacatalogue.lifewatch.eu//srv/eng/thesaurus.download?ref=external.ecoportal.fos10.15468/guk2a6 http://ipt.medobis.eu/resource?r=saharTunSea, 2023. Cryptogenic, Rare and Non-indigenous marine species in Tunisian coastline, recorded by Citizen ScientistsThis dataset sourced from citizen scientists through the TunSea platform (TunSea), focusing on rare, cryptogenic and non-indigenous marine species along Tunisia#39;s coastline. Initial data, comprising images and comments, underwent careful verification for accuracy. The refined dataset consolidates information linked to each specific observation. This study contributes to understanding the presence and distribution of non-indigenous marine species along the coastline of Tunisia in the south of the Mediterranean Sea.Citizen ScienceOccurrenceObservationTunisian Exclusive Economic Zone <http://www.opengis.net/def/crs/OGC/1.3/CRS84> Polygon((8.569 32.843, 8.569 41.212, 15.117 41.212, 15.117 32.843, 8.569 32.843)) TunSea – Association TunSea pour la Science ParticipativeENGLISH