If you think fish don’t communicate, think again. In a new study published recently in Nature Communications, behavioral ecologist Redouan Bshary describes how the coral grouper—a large, charismatic, coral-colored fish—sometimes works in tandem with the giant moray eel and the Napoleon wrasse to hunt and capture prey. When the grouper spots its prey hiding in the coral reef, it points its nose toward the reef and starts to shimmy. The wrasse and eel then help flush out the hiding prey.
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Photo: Thomas Jundt