Halfway through February, and 2019 is already full of oceans and fisheries developments. Whether its legislation in Chile to help combat illegal, unregulated and unreported fisheries; damage to the Great Ocean Cleanup’s plastic-catching system; or strong words and promised action from world leaders, oceans and fisheries are making headlines. Here at Future of Fish, we’ve been thinking about the “big things” to watch in 2019—those initiatives and topics that may be critical drivers of more sustainable fisheries and healthy ocean ecosystems. Given that no one intervention or action alone is going to result in the change we need to see, it’s heartening to read about work happening in a broad range of areas. Here are five things we’re keeping an eye on in 2019. And we’re curious to know: what’s on your radar for this year?