In the deep ocean & Antarctic waters, sponges grow at a rate of fewer than 2cm/yr. While life on land seems to move at an oft dizzying pace, the size of this sponge suggests this animal may have been alive for hundreds of years. #AntarcticClimateConnections

— Schmidt Ocean Institute (@schmidtocean.bsky.social) 2025-07-21T22:02:26.525Z