what is the other creature the is found in above mentioned rivers?
Humpback whales and a minke whale have been recorded feeding in the River Derwent in Tasmania
River Derwent (Tasmania)
In recent years, southern right whales finally started making appearance in the river during months in winter and spring when their migration takes place. Some females even started using calm waters of the river as a safe ground for giving birth to their calves and would stay over following weeks after disappearance of almost 200 years due to being wiped out by intense whaling activities. In the winter months of 2014, humpback whales and a minke whale (being the first confirmed record of this species in the river) have been recorded feeding in the River Derwent for the first time since the whaling days of the 1800s.
why is the platypus in the kingdom animalia Because they are multicellular eukaryotic organisms could you describe it? Dense, brown waterproof fur; webbed feet; elongated snout. and where is it found? Small streams and rivers at Tasmania and Australia how does it protect itself? The male's ankle spurs delivers venom for defence when was it discovered? It was  first encountered by Europeans in 1798
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River Derwent (Tasmania) [SEP] Flora and fauna
In recent years, southern right whales finally started making appearance in the river during months in winter and spring when their migration takes place. Some females even started using calm waters of the river as a safe ground for giving birth to their calves and would stay over following weeks after disappearance of almost 200 years due to being wiped out by intense whaling activities. In the winter months of 2014, humpback whales and a minke whale (being the first confirmed record of this species in the river) have been recorded feeding in the River Derwent for the first time since the whaling days of the 1800s.