seafood choices") The categories do not simply reflect the imperilment of individual species, but also consider the environmental impacts of how and where they are fished, such as through bycatch or ocean bottom trawlers. Often groups of species are assessed rather than individual species (e.g. squid, prawns). The Marine Conservation Society has five levels of ratings for seafood species, as displayed on their FishOnline website. See also Conservation status of wolves in Europe Convention on the Conservation of Migratory Species of Wild Animals Lazarus taxon List of endangered species in North America Listing priority number Lists of extinct animals Lists of organisms by population Living Planet Index Red List Index Regional Red List Reintroduction References External links Search the IUCN Red List IUCN Red List Categories and Criteria Version 3.1 (archived 23 March 2014) Biology terminology Conservation biology Environmental conservation Environmental terminology NatureServe