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Habitat: Midwater

Red siphonophore

The spectacular scarlet color of the red siphonophore is camouflage in the ocean’s midnight zone.

Whiptail gulper eel

Food is scarce in the deep sea, so a gulper eel’s oversized mouth helps it swallow any morsel of food—big or small—that it comes across.

Big red jelly

The big red jelly lurks in the ocean’s mysterious midwaters.

Angler siphonophore

The angler siphonophore fishes for its meals.

Pacific viperfish

The Pacific viperfish’s huge mouth and long, needle-like teeth are the key to their hunting strategy.

Fangtooth

Despite this fish’s fierce name and ferocious looks, fangtooth is a rather small—and possibly lazy—predator.