That would be the Tasmanian Giant Crayfish, Astacopsis gouldi, which gets to be about 15 pounds, making it also the world's largest freshwater invertebrate. Found only in northern Tasmania, it is now highly threatened by habitat loss.
I think the heaviest kid in the world is Jessica
The second heaviest bird in the world is the Southern Cassowary.
Louisiana is the biggest producer of crayfish in the world. They own 98 percent of crayfish supply in the United States.
Humpback Whales are not the heaviest whales in the world but there one of the heaviest whales in the world they would get a 3rd place on weight
The African elephant is the world's heaviest land mammal
SW - This can't be true! What about all the other whales? The second heaviest animal in the world is an African elephant, The heaviest being a Blue whale at 190tonns
The world largest and heaviest animal is the Blue whale weighing in at 418,878 lbs (190,000 kg)
The blue whale. The heaviest blue whale measured at about 418,878 pounds.
The Capybara
Bible
Anaconda
The anaconda is recognised as the heaviest species.anaconda is the heavies species of snake in the world