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On the Wild Side: Strange news from the World of Wildlife!

Lined Seahorse
credit: Steven G. Johnson/CCSA

Invisible Fish

The chameleon is famous for its ability to change color. Less celebrated but even more impressive are the camouflage techniques of the sea horse, which not only alters its color but also grows special skin to better blend in with its surroundings.

Anyone who's ever seen a sea horse in an aquarium knows that these creatures are slow swimmers. In order to survive, then, a sea horse must hide from its predators rather than attempt to outpace them. Likewise, it must be invisible to its prey. So the sea horse changes color to match the seaweed around it. Some species can go from beige or brown to orange or purple. In addition, the sea horse will cover itself with wispy skin filaments that further add to its seaweed-like appearance.

Click here to learn more about sea horses.