"A full-grown giant Pacific octopus can weigh more than 50 pounds. The heaviest on record was a creature weighing 200 pounds and measuring nearly 20 feet across," the institution said on its website.

The giant Pacific octopus grows bigger and lives longer than any other octopus species. The size record is held by a specimen that was 30 feet across and weighed more than 600 pounds. Averages are ...

The giant Pacific octopus is the largest octopus species ... However, the largest ever recorded individual weighed 600 pounds and had a 30-foot arm span, said the Smithsonian National Museum ...