Biology



Whales Sonar

Imagine trying to do any of your everyday activities, only this time, someone is standing by you, constantly irritating you, disrupting your senses. It would be an impossible feat. Unfortunately, most marine mammals must deal with this issue, which stops…
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Dusky Flathead Australia

Dusky Flathead is a large predatory fish that only lives in estuaries. An estuary is a partly enclosed body of water that is fed by at least one river or stream. It also has a free connection to the open sea,…
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Fish Profiles Dusky Flathead

Dusky flathead (Platycephalus fuscus) inhabit estuarine and inshore coastal waters from Cairns in far north Queensland to the south west Victorian coast. Growing to 1.5 metres in length and over 10 kilograms in weight they are the largest and most…
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How Sonar Affects Whales

Sounds generated at low frequency are very important to whales for navigating, hunting and communicating. The sounds are sent back from objects on the seafloor, shorelines, water depth, obstacles and other animals, to the oil filled part of the lower…
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Platypus Diet

“Let’s put some shrimps on the barbie”, a typical Australian may say. Well for a platypus they also enjoy shellfish in their diet. They can be found in lakes, streams and rivers of eastern Australia. Did you know? A platypus…
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What is a Minnow

Many of us grew up catching little fish called “minnows”. But what are minnows? Baby trout or maybe some other young freshwater fish? Or maybe even salmon spawn? Not quite. Minnows are actually a small freshwater fish that belongs to the carp…
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Appetite of a Platypus

The platypus is an unique Australian animal whom does not really fit into any one category of animals. It has a tail like a beaver, bill of a duck, lays eggs like a reptile but is still considered a mammal….
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