Did You Know?

The glass frog has transparent skin to avoid predators.

These small frogs have translucent skin on their underside, making their internal organs visible. When they sleep on leaves, light passes through their bodies, reducing their shadow and making them harder for predators to spot from below. Some species even have transparent eyelids.

Did You Know?

The sarcastic fringehead fish uses its giant mouth for territorial disputes.

When two of these fish fight, they press their huge, colorful mouths against each other, like an aggressive...

Read more: The sarcastic fringehead fish uses its giant mouth for territorial disputes.

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Some jellyfish have complex eyes without a brain.

Box jellyfish have 24 eyes of four different types, including eyes similar to human ones with retinas, corneas,...

Read more: Some jellyfish have complex eyes without a brain.

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Elephant seals can hold their breath for two hours.

These marine mammals can dive to depths of over 5,000 feet and stay underwater for up to two...

Read more: Elephant seals can hold their breath for two hours.