ML111912

Медиа тэмдэглэл

NOTES: NML studies. 2. Beaufort, N.C., June 1964. Two females (0.22-0.25 m) with undeveloped ova, well-acclimated to outdoor concrete tank: spontaneous knocks and short, rapid croaks when startled, together with sustained musical bursts or high-pitched growls. 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. 108-9.