A mastigoteuthid squid in the water column. Midwater observations are especially difficult because animals are often way out in the distance and moving quickly.
Mastigoteuthid Squid
Image courtesy of Deep-Sea Coral survey, NMFS, WHOI 2012. Download larger version (jpg, 1.1 MB).

A mastigoteuthid squid in the water column. Midwater observations are especially difficult because animals are often way out in the distance and moving quickly.

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