Transparency in ocean governance is an essential precondition for many marine sustainability objectives, from robust marine protected area enforcement to inclusive, science-based fisheries management. Indeed, progress secured in whole or part by global and national NGOs and civil society collaborations has delivered increases in seafood labeling, public vessel tracking, and the release of information on licenses, quotas and enforcement actions – though it’s notable that these advances in discourse, policy and action have often progressed in an ad hoc manner. Our next step towards achieving global fisheries transparency is to knit together these areas of progress through a dynamic, multinational coalition of transparency advocates, the newly-funded Global Fisheries Transparency Coali