Heaviest invertebrate [and mollusk]
Last updated: October 5, 2017 at 2:23 am
Giant squid (Architeuthis dux). A tentacle of a specimen washed ashore in Thimble Tickle Bay, Newfoundland, in 1878, measured 10.7 m (35 ft) long. It is estimated that the animal could have weighed as much as 1,814 kg (4,000 lbs).