sentences:  The largest known complete specimen of the colossal squid—and the heaviest recorded extant cephalopod—was a mature female (#19) captured in the Ross Sea in February 2007.Its weight was initially estimated at , its mantle length at , and its total length at (O'Shea & Bolstad, 2008; [Te Papa], 2008a).Once completely thawed the specimen was found to weigh , but to measure only in mantle length and in total length ([Te Papa], 2008a).