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Gallery: Dinner Time!

Friends With Benefits

Enjoying a symbiotic relationship with a bulb-tentacle sea anemone, this spinecheek anemonefish in Komodo, Indonesia, cleans parasites from the anemone and feeds on its host’s dead tentacles. Returning the favor, the anemone ­shelters the fish from predators. Photo by Stephane Bailliez

It's a fish-eat-fish world out there (or a fish-eat-parasite world). Point is, there's a lot of snacking going on. Be it an opportunistic whale shark that's formed a partnership with fishermen, a painted frogfish using a homemade lure or a team of striped marlin herding prey together, what's for dinner is a question universal to all of us.