The Earliest Land Vertebrates Were Amphibian-Like Creatures
Tetrapods such as Ichthyostega lived about 365 million years ago. They had limbs and spent time on land, and are ancestors of amphibians and every other land vertebrate.
Faits connexes
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The Goliath Frog Can Weigh Over Three Kilograms
Native to Cameroon and Equatorial Guinea, the goliath frog is the world's largest frog. It is roughly the size of a house cat.
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The Chinese Giant Salamander Is the Largest Amphibian on Earth
Andrias davidianus can reach nearly two meters in length, though wild populations are critically endangered after decades of overharvesting.
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Amphibians Can Breathe Through Their Skin
Many amphibians absorb oxygen across thin, moist skin. Lungless salamanders, the largest salamander family, rely on it almost entirely.
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Caecilians Are Legless Amphibians That Look Like Worms
Caecilians burrow through tropical soil and have tiny eyes hidden under skin. Some species even let their young feed on a nutritious layer of the mother's skin.