Top 5 Real Wolves of Wall Street

Hey Disney, enough with the warm and fuzzy personification of nature! Dress her in a suit and toss her a calculator because deals are going down in the jungle. Sure, some are symbioses, with two creatures partnering for mutual benefit. But others resemble hostile takeovers, as one beast stealthily annexes another. Nautilus asked biologists about their favorite organismal mergers and acquisitions. Here are their top five picks. 

Fishy Codependency

At first, the life of the male anglerfish is ordinary. He begins as a wee fish swimming in the ocean. But soon he will face a most serious challenge: finding a mate. Many species of anglerfish live in lightless depths of a mile or more, where females are scarce. 

To find her, he undergoes a metamorphosis, in which he becomes a female-seeking