ML112920

影音備註

NOTES: NML studies, LML, Nov. 1952. Well-acclimated captives (50+) in outdoor pen: contributed to general commotion in competitive feeding with Balistes vetula. Individuals (3) in test tank: toothy clicks, scrapes, and repetitive grunts while not in net. Trigger always raised when fish annoyed. Fish, M.P. and W.H. Mowbray. 1970. Sounds of the Western North Atlantic fishes: a reference file of biological underwater sounds. Johns Hopkins Press. Baltimore. p. 174. Tape notes: 1. Black Triggerfish. Melichthys radula. Dur, ES & MS. Bim. 37A (2-9.5).