ML116421

視聴覚メディア・ノート

NOTES: NML studies. 1. NML, 1951-65. Many captives in bay enclosures and laboratory aquaria: single grunts, growls, barks, or bursts of clucks, less staccato than P. carolinus, but equally frequent and spontaneous. 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. 158.