myrmepropagandist on Nostr: Are there any large eusocial sea creatures? Sponges are colonial, fish live in ...

Are there any large eusocial sea creatures? Sponges are colonial, fish live in schools... but to be eusocial *reproduction* must be a specialization. A species can only be called eusocial if there are reproductive and non-reproductive castes.

Clown fish might qualify, although their "colonies" are not very large and non-reproductive can transition to being the reproductive.

Really what I'm looking for are sea ants. Are there any sea ants?