It sounds like science fiction. But we can now sample water to find the DNA of every species living there
The Conversation, Other, 15/11/2023, Oliver Berry
Figuring out what species live in an ecosystem, and which ones are rare or just good at hiding is an essential way to understand and care for them. Until now, it’s been very labour intensive. […] Today CSIRO released a roadmap created through consultation with many experts to show how eDNA technologies can be best integrated into marine monitoring at a large scale and what the future holds.