Australian Sea Lion The playful Australian Sea Lion (Neophoca cinerea) is a fascinating creature and one of the rarest in the world. Southern Right Whale Southern right whales are known as baleen whales as they use their specialised baleen plates to filter out food from the water. These ocean giants can weigh up to 135,000 kilograms and reach up to about 20 metres in length. Learn More Sign up with your email address to receive news and updates. Email Address Sign Up Thank you!