FishBase is a global biodiversity information system on finfishes with >36,100 fish species (>332,100 common names and >65,300 pictures) compiled from >67,600 references in partnership with >2,560 collaborators. It gathers >700,000 visits monthly. The breadth and depth of information in FishBase, combined with the analytical and graphical tools available on the web, cater to different needs of diverse groups of stakeholders.