Read this arcticle,

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I think it is amazing. The fish lives in water with a pH of 3! I didn't think that was possible. It is interesting how many species there are we have never seen before. New kinds of animals just seem to keep popping up.

What I find fascinating are the communities found around volcanic vents at the bottom of the oceans. And as the vent eventually fails, the community dies out, often to extinction. And these communities are coming and going all the time, usually out of reach of one-another. I reckon this may be akin to inhabitable planets in the universe.

That's one tiny little fishy, and really amazing.

that is awesome! I wonder how the fish got there in the first place....