Tartaruga-aligator no fundo do rio

An alligator snapping turtle rests on the sandy bottom of a clear river, illuminated by sunbeams filtering through the water with aquatic vegetation in the background.

A photo of an alligator snapping turtle on the sandy bed of a Florida river, sunbeams filtering through clear water, aquatic plants Ver mais

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A pig-nosed turtle swims through clear, shallow water over a sandy riverbed, with sunlight creating dappled patterns on its shell and the bottom.

A manatee swims through clear, shallow water with sunlight dappling its back and mangrove roots visible in the background.

An over-under shot of a green sea turtle swimming in the clear, shallow turquoise water of Akumal Bay, with a bright blue sky and palm-lined beach visible above the waterline.

A close-up of a sea turtle's face looking directly at the camera, with a vibrant coral reef and sunlit blue water in the background.

An Aldabra giant tortoise grazes on low green shrubs on a sandy beach under soft morning light.

A small sea turtle hatchling crawls across the wet sand of a beach toward the incoming ocean waves at sunrise.

An anaconda rests on the white sandy bottom of a clear river, surrounded by aquatic plants and illuminated by sunlight creating rippling caustics.

A manatee swims through clear, shallow water over a bed of green seagrass, illuminated by sunbeams filtering from the surface.

A baby sea turtle crawls across dark, wet sand toward the ocean at sunrise.

A sea turtle swims through clear, sunlit turquoise water above a lush seagrass meadow, surrounded by numerous rising air bubbles.

A green sea turtle swims through clear turquoise water above a vibrant coral reef, with sun rays filtering down from the surface and a school of small fish swimming above.

A Murray cod swims beneath a submerged tree branch in a clear river, illuminated by shafts of sunlight filtering through the water.

A mottled olive and red sculpin rests on pink coralline algae in a shallow tidepool, illuminated by golden sunlight filtering through the rippling water surface.

A large Galápagos tortoise grazes on damp grass in a misty, forested highland environment during the early morning.

A large Aldabra giant tortoise rests on the sandy ground in the shade of a tree, with its neck extended and eyes partially closed, set against a backdrop of granite boulders and lush vegetation.

A southern stingray swims over a shallow, rippled white sand seabed illuminated by bright sunlight creating caustic patterns.

A marbled trout swims through clear, shallow water over a rocky riverbed, illuminated by natural sunlight filtering from above.

A hawksbill turtle swims over a shallow, rippled sandy seabed illuminated by low-angle sunlight filtering through the water surface.

An American crocodile swims head-on toward the camera through clear, sunlit mangrove waters with visible roots in the background.

A sea turtle swims over a vibrant coral reef in clear, sunlit turquoise water.

A large sea turtle swims through clear, shallow water over a sandy seabed with coral and sponge formations, illuminated by sunlight filtering from the surface.

A small green frog sits on the shell of a Hermann's tortoise in a garden with moss and gravel, illuminated by warm, low-angle sunlight.

An underwater scene depicting an Ediacaran sea floor with feathery Charnia fronds and quilted Dickinsonia discs resting on a microbial mat, illuminated by shafts of sunlight filtering through the water.

Several red cushion sea stars rest on the pale sandy seabed in clear, shallow water near mangrove roots, with sunlight creating rippling patterns on the seafloor.

A green sea turtle swims over a vibrant coral reef under bright, dappled sunlight filtering through clear blue water.

A mirror-polished liquid chrome sea turtle glides through turquoise water above a vibrant coral reef, with three small yellow fish swimming below and sun rays filtering down from the surface.

A close-up view of a sea turtle's shell featuring intricate, overlapping amber and dark brown scutes illuminated by dappled sunlight underwater.

A Hermann's tortoise walks across a dew-covered lawn at sunrise, with the low sun creating bokeh highlights on the grass and illuminating the tortoise's shell.

A giant water bug with a cluster of eggs on its back rests on a submerged plant stem in clear, sunlit water with a sandy bottom.

A green sea turtle swims over a vibrant coral reef in clear blue water with sunlight filtering from the surface.

A horn shark rests on a rocky reef surrounded by kelp forest with sunlight filtering through the water.

A northern pike swims underwater beneath lily pads in a lake, with shafts of sunlight filtering through the surface.

A spotted eagle ray swims over a vibrant green seagrass bed under dappled sunlight filtering through the water surface.

A marine iguana grazes on green algae on a dark lava rock underwater, with sunlight filtering from above and creating a rim light effect on its scales.

A sea turtle hatchling crawls across wet sand toward the ocean at sunrise.

A matamata turtle with a flat, triangular head and fringed skin rests on the leaf-covered bottom of a dark, underwater environment illuminated by a shaft of light from above.

A small sea turtle hatchling rests within a dense patch of golden sargassum seaweed at the ocean surface, captured in a split-level shot showing the dawn sky above and the deep blue water below.

A green sea turtle swims through clear blue water above a vibrant coral reef with sun rays filtering down from the surface.

A sea turtle swims near the surface of the ocean, silhouetted against a bright sunburst with light rays filtering down onto a coral reef below.

A leatherback turtle hatchling crawls across wet sand toward the ocean waves at dawn.

Sunlight creates caustic patterns on submerged green and grey pebbles in a river, with air bubbles clinging to the stones and a clear, emerald-toned open space to the right.

A stingray partially buried in the sandy bottom of shallow, clear water, illuminated by warm golden hour sunlight.

A sequence of frog development, from eggs to a fully formed frog, rests on a sunken branch in a sunlit, clear underwater pond environment.

A manatee floats in clear, shallow spring water with sunlight filtering from the surface, illuminating its grey, textured skin against a sandy bottom.

A green sea turtle swims through clear blue water above a vibrant coral reef, illuminated by sunlight filtering down from the surface.

A small sea turtle hatchling crawls across dark, wet sand toward the ocean waves at sunrise.

A dusky grouper swims above a lush seagrass meadow in clear blue water, illuminated by bright shafts of sunlight from above.

A green sea turtle rests on a coral reef at Apo Island, surrounded by a shoal of orange anthias fish under sunlight filtering through the water.

A green sea turtle swims near the surface of clear, shallow water over a coral reef during a soft-lit dawn.

A puffadder shyshark curled on a rock within a kelp forest, with sunlight filtering through the water in shafts above.

A sea turtle hatchling swims upward toward the sunlit surface of the ocean, with its flippers spread wide against the golden light, while a dark coral reef is visible in the deep blue water below.

A yellow duckling swims underwater in a clear pond, with air bubbles trailing behind it and aquatic plants visible in the background.

A green sea turtle rests on the white sandy bottom of a shallow, clear bay, illuminated by sunlight filtering through the water.

A Henodus with a broad, flat shell grazes on the sandy floor of a sunlit, green-watered Triassic lagoon.

A manatee swims over a pale sandy bottom in clear, sunlit spring water, facing the camera directly.

A tortoise walks across the soft sand of a beach at golden hour, with gentle waves visible in the background.

An over-under shot of a green sea turtle grazing on seagrass in the clear turquoise waters of Salt Whistle Bay, with a white sand beach and palm trees visible above the waterline under a bright midday sun.

An underwater view of a Posidonia seagrass meadow with long green blades growing on a sandy seabed, illuminated by sunlight rippling through the clear water.

A Chinese giant salamander with mottled brown skin rests on the rocky bed of a clear mountain stream, illuminated by sunlight filtering through the water.

A queen conch with a pink-lipped, algae-covered shell moves across a turtle-grass meadow on a sandy seabed, illuminated by low-angle sunlight.

A giant tortoise rests in a shallow pool of water at sunset, with its shell and the orange sky reflected in the still surface.

A northern pike swims underwater beneath lily pads in a lake, with shafts of sunlight filtering through the water.

A young loggerhead turtle swims beneath a floating raft of golden sargassum seaweed in the ocean at sunrise, captured in a split-level shot showing the surface and the depths.

A Hermann's tortoise emerges from leaf litter at the base of a cork oak tree, illuminated by low morning sunlight.

A double exposure image of a green sea turtle swimming in turquoise water, with its shell filled with a vibrant coral reef scene illuminated by sun rays.

A sea turtle swims through clear blue water above a vibrant coral reef as sunlight streams down from the surface.

A mother manatee and her calf swim together in a clear, sunlit freshwater spring surrounded by aquatic vegetation.

An eastern box turtle with a patterned orange and brown shell rests on green moss beside a decaying log in a misty, fog-filled forest.

A brown trout swims through clear water surrounded by white water-crowfoot flowers over a gravel riverbed, with sunlight creating rippling caustics on its body.

A northern pike swims through clear, sunlit water above a bed of aquatic plants next to a submerged log.

A green sea turtle grazes on seagrass in the clear, sunlit turquoise shallows of a tropical bay, captured in a split over-under perspective with palm trees and a blue sky visible above the waterline.