Singing above the chorus: cooperative Princess cichlid fish (Neolamprologus pulcher) has high pitch
Rachel K. Spinks, Moritz Muschick, Walter Salzburger, Hugo F. Gante
The paper investigates acoustic communication in Princess cichlid fish, finding they produce high-frequency sounds, not low-frequency ones, and these sounds are not solely linked to visual displays.
bioRxiv · Feb 9, 2016Animal Behavior & Cognition