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Ibexes are effectively flattened by countershading, making them nearly invisible against a desert background. There are three in the image. Countershading is observed in a wide range of animal groups, both terrestrial, such as deer, and marine, such as sharks. [17] It is the basis of camouflage in both predators and prey. [18]
The grey reef shark or gray reef shark (Carcharhinus amblyrhynchos, sometimes misspelled amblyrhynchus or amblyrhinchos) [2] is a species of requiem shark, in the family Carcharhinidae. One of the most common reef sharks in the Indo-Pacific , it is found as far east as Easter Island and as far west as South Africa .
This grey reef shark demonstrates countershading, with its darker dorsal surface and lighter ventral surface. Sharks may have a combination of colors on the surface of their body that results in the camouflage technique called countershading. A darker color on the upper side and lighter color on the underside of the body helps prevent visual ...
A new chapter has just launched in Disney Animal Kingdom Explorers on Facebook, with this eighth chapter taking us to Australia. The first scene is set underwater in the Great Barrier Reef, and ...
Grey reef shark: Carcharhinus amblyrhynchos (Bleeker, 1856) Endangered Mostly less than 1.9 m (6.2 ft) maximum 2.6 m (8.5 ft) Pigeye shark: Carcharhinus amboinensis
In the 41 million square miles of Atlantic Ocean, Gray’s Reef National Marine Sanctuary amounts to a mere speck. But the 11,000-acre square-shaped preserve, 19 miles off the Georgia coast, is a ...
The grey reef shark has a typical "reef shark" shape with a broad, round snout and large eyes. This species can be distinguished from similar species by the plain or white-tipped first dorsal fin, the dark tips on the other fins, the broad black rear margin on the tail fin, and the lack of a ridge between the dorsal fins. Most individuals are ...
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