Researchers suspect these exaggerated organs evolved as a survival tactic, keeping males at a safer distance from their cannibalistic mates.
Scientists have stumbled upon four new species of tarantulas whose males have such outrageously long genitals that they had to invent an entirely new genus to classify them: Satyrex, named after the mythological satyr—half-man, half-goat, all libido—... [1177 chars]

