Fish are not silent creatures. Just like the terrestrial world, there’s a veritable symphony of sound echoing under the sea. Indeed, the black drum fish was the subject of many a phone call to the Miami police back in 2005, when their midnight mating calls were waking up the locals.
Research from Northeastern University ecologist David Kimbro, along with colleagues Jon Grabowski and Randall Hughes, shows that the behavior of middle predators in marine food webs plays an important role in the welfare of the whole system—and that, like our behavior, middle predator behavior is pretty fickle.
In the marshlands of the southeast United States, the periwinkle snail is among the most abundant grazing species.