Liocranchia is a genus of glass squid from the family Cranchiidae. They are moderate-sized with a long, spindle-shaped mantle which tapers to a point at the rear and they can attain mantle lengths of 250 millimeters (9.8 in). The species in Liocranchia have a cosmopolitan distribution in tropical and subtropical oceans although it has been suggested that one species, Liocranchia reinhardti is associated with land masses. In seas off Hawaii waters, L. reinhardti undergoes vertical migrations while L. valdiviae occurs in deep water and is sedentary. They are eaten by many oceanic predator species.

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