Tomato clownfish, in response to an unpredictable world, appear capable of adjusting when they lose their stripes based on ...

When Lorian E. Schweikert, Ph.D., reeled in a hogfish on a fishing trip to the Florida Keys, she noticed something strange after setting it down on the deck of the boat. Hogfish are known for their ...

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We’ve long marveled at color-changing critters like squid, chameleons, cuttlefish, and others as they flash brilliant hues. Animals across species possess this ability for a suite of reasons, ...

Hogfish can change their color in less than a second to blend in with their surroundings. Reinhard Dirscherl \ ullstein bild via Getty Images Like a chameleon, a hogfish can quickly change the color ...

Lorian Schweikert was fishing in the Florida Keys when she hooked a hogfish—a type of tasty wrasse that’s known for its ability to change colors to match its coral reef environment. Schweikert dropped ...

We see color because photoreceptor cones in our eyes detect light waves corresponding to red, green, and blue, while dimness or brightness is detected by photoreceptor rods. Many non-mammalian ...