FishBase is a global biodiversity information system on finfishes with >34,000 fish species (>324,000 common names and >59,000 pictures) compiled from >56,000 references in partnership with >2,300 collaborators. It gathers >800,000 visits monthly. The breadth and depth of information in FishBase, combined with the analytical and graphical tools available in the web, cater to different needs of diverse groups of stakeholders.