Cool Species Interactions Crab lying-in-wait from the “tree tops” to pounce on an unsuspecting fiddler crabA facilitation cascade with live oaks, spanish moss and insectsTurtle maintaining seagrass diversity | Credit: AP Photo/University of Queensland, Marjolijn ChristianenAlligator as apex marine predatorFungal farming by a marine snailMarsh plants facilitate snail recruitsGoats control plant invasions in marshesNot a happy sharkSnails consuming coral