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The Living Ocean: How Much Is Really Down There?
Every time I think I have a handle on the scale of the ocean, a number comes along and resets it; How much life is really down there? In May 2026, the World Register of Marine Species passed a quarter of a million entries, the running catalogue of everything we have formally named in the sea (WoRMS Editorial Board, 2026). And it is almost certainly a small fraction of the real total. That gap, between what we have named and what is actually out there, is the most interesting

Stephenie Waller
Jun 86 min read
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