Squid and cuttlefish ... When stretched from tip to tip, the world's largest octopus species, the giant Pacific octopus, has an arm measurement of 7 feet or more, according to the Monterey ...

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 ...