The 5^th World Conference on Marine Biodiversity (WCMB) is online only this year. This will greatly increase participation from around the world. The WCMB is the premier international conference in its field. It is held every three years under the auspices of the over 50-year old International Association of Biological Oceanography (IABO). 

Registration fees are low, and financial support for delegates from Developing Countries is available. The deadline for e-poster abstract submissions is 1^st October 2020. Awards for the best early-career talks and e-posters are available. Eight outstanding Keynote Plenary speakers are scheduled.