Anyone else not realize that Leatherback Turtles were so huge? Adults average 1–1.75 m (3.3–5.74 ft) in carapace length, 1.83–2.2 m (6.0–7.2 ft) in total length and weigh 250 to 700 kg (550 to 1,500 lb). The largest ever found, however, was over 3 metres (9.8 ft) from head to tail, including a carapace length of over 2.2 metres (7.2 ft), and weighed 916 kilograms (2,020 lb).
Tasmanian Giant Freshwater Crayfish - Astacopsis gouldi - This crayfish is the world's largest freshwater invertebrate. In the past, individuals of over 11 lbs and over 31" have been known, but individuals over 4.4 lbs are rare. Due to habitat loss & over fishing, it has unfortunately become an endangered species