ML116448

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NOTES: LNS note: Unsure if recording is from item 1 and/or item 2 from the following reference: NML studies. 1. LML, Nov.-Dec. 1952. Two large chubs in test tank: spontaneous small grunts becoming more thump-like and louder on MS, and forceful booms on ES. 2. LML, June 1963. Similar thumping on MS and ES. Knocks, produced singly or in bursts, on alarm. 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. 122. 23Jul2003 SAS.