Are we doing enough to preserve our aquatic ecosystems both marine and freshwater?

Marine ecosystems cover approximately 71% of the Earth's surface and contain approximately 97% of the planet's water. They generate a whopping 32% of the world's net primary production. Preservation of our Aquatic ecosystems both marine and freshwater. I am an advocate of wildlife preservation specifically aquatic wildlife within marine ecosystems. Are we contributing enough to preserve our aquatic ecosystems?