After disturbance by the ROV, the squid began to swim by strongly flapping its fins and towing the brachial crown similarly to observation
From: M. Vecchione, R.E. Young, A. Guerra, D.J. Lindsay, D.A. Clague, J.M. Bernhard, W.W. Sager, A.F. Gonzalez, F.J. Rocha, and M. Segonzac. 2001. Worldwide observations of remarkable deep-sea squids. Science, vol. 294: 2505-2506.
Online abstract: http://invertebrates.si.edu/cephs/vetal01/vetal01.html
To see other cephalopod videos: http://collections.si.edu/search/results.htm?fq=online_media_type%3A%22Video+recordings%22&q=&fq=tax_class:%22Cephalopoda%22