My 1st Zoologger Piece: Fish Keep Intruders Away With Boatwhistles

The Lusitanian toadfish has an extensive repertoire of sounds, including grunts, whistles, and croaks. New research shows one reason why male fish whistle: to keep intruding males out of their nests.Read the whole story at New Scientist: Zoologger: Bagpiper Fish Keeps Intruders Away With Song.