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Tuesday, 10 February 2009

Biology: 5 Frogs

2. Goliath Frog


The goliath frog is the largest extant (the opposite of extinct, so "living") frog on earth. It grows up to 16 inches or 33 cm long from nose to vent, Length with legs stretched out its about 2.5 feet (76.2 cm). It weighs up to 8 lb (3 kg). On top, the frog is greenish brown, and its underside is yellowish

The Goliath frog is normally found in fast-flowing rivers with sandy bottoms in the West African countries of Cameroon and Equatorial Guinea. These rivers are usually clear and highly oxygenated. The river systems in which these frogs live are often found in dense, extremely humid areas with relatively high temperatures.

Adults are carnivores that eat insects, crustaceans, fish, and amphibians. Tadpoles (baby frogs) are herbivores that eat water plants found only near waterfalls and in rapids.

The Goliath frog can live up to 15 years.

These frogs have acute hearing but no vocal sac,thus, they can not make sounds.

Goliath frogs were considered to be a source of food in some parts of west Africa.

They are endangered.

Sources:
Wikipedia
www.pocanticohills.org
Photo: marginalia.ako.net.nz

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I am a grade nine student living in Mexico. This is my home school education blog. I post the things I learned during the week on this blog. I hope you can learn things from this too.


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