Something's Fishy

Scientists Say Jupiter's Moon Europa Might Be Teeming With Fish - Space - io9: "New evidence has come to light that the vast, ice-encrusted oceans of Europa may be harboring Earth-like life that lives on the oxygen-rich waters. Time to plan your extraterrestrial fishing trip? Maybe.

Apparently, the oceans of Europa are fed with more than 100 times more oxygen than previous models suggested."