Marie P Fish
William H Mowbray
- Solomons, Chesapeake Biological Laboratory county: Calvert
NOTES: NML studies. 2. CBL and VIMS, Sept. 1962. Twelve males (0.36-0.39 m) with undeveloped gonads, in test tank: louds knocks produced singly or in rapid, croaking bursts; spotaneous or induced by mild duress. Associated with alarm defense, and offense. Females: silent on manual stimulation (gentle handling to extreme duress); few weak escape knocks only. 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. 93-94.