Why do snakes inflate, swell, or puff up their throat?
Not all snakes inflate their throat.
Some snakes that inflate their throat include the African Puff Adder (Bitis arietans), the North American Eastern Hognose (Heterodon platirhinos), and the African Eastern Vine Snake (Thelotornis mossambicanus).
Continue reading “Why do snakes inflate their throat?”
The African Lungfish (Protopterus aethiopicus) and the Australian Lungfish (Neoceratodus forsteri) are both ancient eel-like fish, with an elongated body and a paddle tail.
The African Lungfish has a pair of lungs, whereas the Australian Lungfish has one single lung.
The African Lungfish loses the function of its gills and uses only its lungs.
The Australian Lungfish retains the function of its gills and only uses its lungs when there is not enough water to breathe (such as during droughts).
Continue reading “African Lungfish and Australian Lungfish: what’s the difference?”