What looks like a rock, vocalizes using its own bizarre internal instrument, and vibrates like a cell phone when picked up? Get to know the Rockhead Poacher: a fish that's developed a very special way to make itself heard in loud, acoustically complex tidepools along the Pacific coast. Whether you're a fish enthusiast, computer geek, gamer or art lover, this episode is for you. Fish biologist and recent LSU master's graduate Dan Geldof is our enthusiastic guest/guide.
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