At
less than 5 inches (11 centimeters) long, the giant hatchetfish isn’t
the behemoth its name suggests, but it does have some big league
abilities. The deep-sea dweller boasts a row of light-producing organs
lined up along its belly, the “blade” on its hatchet body. These
bioluminescent organs shine like daylight from above the ocean surface,
creating counterillumination to confuse predators that strike dark
silhouettes from below. Hatchetfish swim in temperate and tropical seas
all over the woCrld.
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