Newly discovered monkey already endangered: A species of monkey living in north-western Amazonia was named earlier in 2008 - and scientists immediately called for it to be placed on the endangered species list.
Electric fish that loves a shock: Male elephant nose fish are known to lure females with the help of an electric field. This year, experiments showed that females fancy the electric aura of males of their own kind over the spark of closely related species.
One-tonne guinea pig: Josephoartigasia monesi was a one-tonne rodent, who roamed South America 2 million years ago.
Self-sufficient goldmine bug: Nicknamed “the bold traveler”, Candidatus Desulforudis audaxviator lives 2.8 kilometres down inside a goldmine, in 60 degrees Celsius water, completely isolated from the rest of the world, with neither light nor oxygen.