Social benefits of facial experssion in a cichlid fish: Testing the face concentration hypothesis
Shun Satoh, Kazuya Fukuda, Hiroshi Matsui, Kento Kawasaka, Sayaka Matsuo, Takezo Banda, Kota Kanbe, Alu Konno, Shiro Takei, Masanori Kohda, Nobuyuki Kutsukake
This study investigates the social function of facial coloration in cichlid fish, finding it reduces aggression and is controlled by the sympathetic nervous system, independent of mammalian facial expressions.
bioRxiv · Oct 17, 2024 · PreprintAnimal Behavior & Cognition