A large sponge, a cluster of anemones, and other life is seen nearly 230 meters deep at an area of the seabed that was very recently covered by the George VI Ice Shelf in Antarctica. Sponges can grow very slowly, sometimes less than two centimeters a year, so the size of this specimen suggests this community has been active for decades, perhaps even hundreds of years.ROV SuBastian/Schmidt Ocean Institute
A siphonophore documented at 1,250 meters deep in the Mar del Plata Canyon.ROV SuBastian/Schmidt Ocean Institute (CC BY-NC)
https://www.scientificamerican.com/article/6-otherworldly-deep-sea-images-from-2025/
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