This thread is for the discussion of Less Wrong topics that have not appeared in recent posts. If a discussion gets unwieldy, celebrate by turning it into a top-level post.
Nitpick: if in your definition of fish, you mean that they need to both have fins or flippers and be (at least) vaguely hydrodynamic, I don't think seahorses and puffer fish qualify.
This thread is for the discussion of Less Wrong topics that have not appeared in recent posts. If a discussion gets unwieldy, celebrate by turning it into a top-level post.
Part 2