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Robert KuzelRock fish, no flash

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Kayla FergusonThis photo was taken while diving off the Pacific Cost of Costa Rica. Taken with no light, only a red filter on a GoPro HERO4.

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Kayla FergusonOctopus captured off the Pacific Coast of Costa Rica, seconds before he disappeared into hiding under the rocks. Taken with no light, only a red filter on a GoPro HERO4.

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Kayla FergusonA scorpion fish, expertly camouflaged against the rocks. Taken with only a red filter on a GoPro HERO4