Friends With BenefitsEnjoying 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.