See the Weird 1,100 New Sea Creatures Discovered by Scientists

Why It Matters

The discoveries spotlight vast, still-unmapped marine biodiversity with implications for conservation priorities, resource management and basic biological knowledge, while also exposing a taxonomy bottleneck that delays formal recognition and protection of new species.

Summary

Scientists participating in the Ocean Census reported the discovery of more than 1,100 putative new marine species, ranging from a carnivorous upside-down sponge and a ghost chimera to rays, cat sharks and a worm living inside a glass sponge dubbed the “glass castle worm.” The finds showcase both large and microscopic organisms collected around places like northeast Australia and highlight unexpected morphologies and ecological niches. Researchers caution, however, that not all entries have undergone formal taxonomic description, so some claims remain provisional. The project underscores how much of ocean life remains undocumented despite recent high-profile additions.

Original Description

Scientists discovered more than 1,100 new species of sea creatures, according to the Ocean Census. But are they legit? Some experts are skeptical because they are not all formally described — meaning they haven’t gone through the process to prove what they found is new to science.

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