The warty frogfish uses a lure attached to its head to attract smaller fish. When prey gets close, this creature sucks it up with just one gulp.
Photograph by Birgitte Wilms, Minden Pictures
The spiny king crab's sharp spikes protect it from predators in its deep-sea habitat.
Photograph by Gerald and Buff Corsi, Getty Images
The shell of the flamingo tongue snail is all white. The colorful pattern comes from the surrounding tissue, which is made by the snail living inside.
Photograph by Hans Leijnse, Minden Pictures
They're usually found on the ocean floor, but flying gurnards can use their "wings" to glide short distances above the water.
Photograph by Norbert Wu, Minden Pictures
A Christmas tree worm brings double the fun—but not to prey. Each worm has two treelike appendages, which it uses to catch tasty plankton that floats by.
Photograph by Pete Oxford, Minden Pictures
This creature might stand out here, but paddle-flap scorpionfish are experts at camouflage. They hide among colorful coral and wait for prey to swim by.
Photograph by NPL, Minden Pictures
Most sea pens (they kind of look like old-fashioned quill pens, right?) can glow. The light they create—called bioluminescence—likely warns predators to go away.
Photograph by Mauricio Handler, Getty Images
The red-lipped batfish uses its fins like legs to move across the sea floor.
Photograph by Fred Bavendam, Minden Pictures
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Whee! Leaping Mobula Rays - Ep. 4
Check out an acrobatic fish called a mobula ray that likes to leap out of the sea in Baja, California. This episode of "Moment of…" will make you go, “Whee!”