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.
Ayers rock is the most heaviest rock in the whole world.
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
Louisiana is the biggest producer of crayfish in the world. They own 98 percent of crayfish supply in the United States.
The African elephant is the world's heaviest land mammal
The world largest and heaviest animal is the Blue whale weighing in at 418,878 lbs (190,000 kg)
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 blue whale. The heaviest blue whale measured at about 418,878 pounds.
Bible
Anaconda
The Capybara