title: Biodiversity: not just lots of fish in the sea.
abstract: 'How many species are there?' is a basic question about life. From Acoela worms to Zoantharia corals, oceans are taxonomically more divergent than land. Answering the question requires many experts.
authors.forename: Stuart L
authors.initials: SL
authors.lastname: Pimm
mesh_terms: D000818:Animals; D059001:Aquatic Organisms; D044822:Biodiversity