How did scientists just find 31 new species in only two weeks? Off the coast of Brazil, in the ocean's twilight zone, roughly 600 to 3,300 feet down, a science expedition uncovered a wave of previously undocumented marine life in the mysterious mid-water layer that sits between sunlit surface waters and the pitch-black deep sea. Along the way, the team also filmed something almost never seen alive: a Haliphron atlanticus octopus caught eating a jellyfish at roughly 800 meters.

The answer is new technology. The discovery came from the Schmidt Ocean Institute's research vessel Falkor, on what the host describes as the team's third collaborative cruise testing new midwater tech, working alongside Brazilian researchers. By combining high-resolution imaging with on-ship genome sequencing, the team can now identify and confirm a new species in days instead of the decades that kind of work has traditionally taken, which is exactly how 31 species turned up in a single two-week expedition.

Among the finds: a juvenile glass squid, larval fish, comb jellies, and scyphozoans (jellyfish), plus a new gossamer worm that spends its entire life drifting through open water. One species was so unusual that researchers believe it could represent a whole new genus, possibly even a new family. The twilight zone is considered the largest habitable ecosystem on the planet that isn't a rainforest or a reef, and understanding how these animals feed and interact helps scientists track carbon cycling, the process the entire planet depends on for climate regulation. Catch Ocean Decoded Live for daily ocean news breakdowns like this one. Subscribe and hit the bell so you don't miss it.

Chapters:
0:00 – Off the Coast of Brazil: A New Discovery in the Twilight Zone
0:57 – Rare Footage: An Octopus Almost Never Seen Alive
2:48 – The Headline: 31 New Species Discovered in Two Weeks
4:17 – Caught on Camera: An Octopus Eating a Jellyfish at 800 Meters
5:18 – A Possible New Genus, Maybe Even a New Family

Takeaways:

New technology combining high-resolution imaging with on-ship genome sequencing is how researchers confirmed 31 new species in just two weeks, a process that traditionally took decades.

The discovery came from the Schmidt Ocean Institute's research vessel Falkor, described as the team's third collaborative cruise testing this midwater technology, working with Brazilian researchers.

All 31 species were found in the ocean's twilight zone (roughly 600 to 3,300 feet deep) off the coast of Brazil.

A Haliphron atlanticus octopus, an animal almost never seen alive, was filmed eating a jellyfish at roughly 800 meters.

New finds included a juvenile glass squid, larval fish, comb jellies, scyphozoans, and a new gossamer worm (Tomopteris, transcribed as "Tevatteris") that drifts through open water its entire life.

One species was unusual enough that researchers believe it may represent a whole new genus, possibly even a new family.

The twilight zone is considered the largest habitable ecosystem on Earth that isn't a rainforest or a reef, and studying it helps scientists understand carbon cycling and climate regulation.

#OceanConservation #MarineBiology #SaveOurOceans #ProtectTheOcean #OceanAwareness #BluePlanet #ConservationMatters #ScienceForChange #SustainableOceans
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