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slanting rays

They spend the majority of their time inactive, partially buried in sand, often moving only with the sway of the tide. What are the side effects of the shingles vaccine? Announcing our NEW encyclopedia for Kids!

While the stingray's eyes peer out from its dorsal side, its mouth, nostrils, and gill slits are situated on its underbelly. The danger some sharks and stingrays present to humans makes these animals fascinating and, at the same time, fearsome. Stingrays are commonly found in the shallow coastal waters of temperate seas. WATCH: New Discovery—See How Stingrays Eat, https://www.nationalgeographic.com/animals/fish/group/stingrays.html. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.

The expected results would be that the more perpendicular the rays (90°), the smaller the area covered by the flashlight beam, and the more slanted the rays (60° for example), the larger the area that would be covered. Stingray, any of a number of flat-bodied rays noted for the long, sharp spines on their tails. Stingray recipes abound throughout the world, with dried forms of the wings being most common. Compare the illustrations in Figure 4-1.

Certain other rays may also possess tail spines. Why don't libraries smell like bookstores? Their flattened bodies are composed of pectoral fins joined to their head and trunk with an infamous tail trailing behind. Some of the manta rays and eagle rays are so armed. Round stingrays have relatively short tails and well-developed tail fins. All Rights Reserved. They have very long, slim tails and, unlike other rays, have heads that project beyond the body disk. They inhabit warm temperate and tropical waters, sometimes in great abundance. Articles from Britannica Encyclopedias for elementary and high school students. The tail may also be used to maneuver in the water, but its primary purpose is protection. How long will the footprints on the moon last?

Omissions? But new footage reveals that stingrays—at least the ocellate river stingray—chew their food too. Our editors will review what you’ve submitted and determine whether to revise the article. When they are inclined to move, most stingrays swim by undulating their bodies like a wave; others flap their sides like wings. The stingray's spine, or barb, can be ominously fashioned with serrated edges and a sharp point. 2020 National Geographic Partners, LLC. Get exclusive access to content from our 1768 First Edition with your subscription. (ii) They heat a larger area. They are bottom dwellers and often lie partially buried in the shallows. Slanting Rays (i) Oblique rays of the sun are not very hot.

Stingrays eat worms, mollusks, and other invertebrates, sometimes badly damaging valuable shellfish beds.

Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. They vary in size: Dasyatis sabina, a small western North Atlantic species, is mature at a width of about 25 cm (10 inches), but the Australian D. brevicaudata reportedly attains a width of about 2 metres (7 feet) and a length of 4 metres. Watch how one stingray chomps down on dragonfly larvae. They are found in the Pacific and western Atlantic. The specimen, found on the coast of South Africa, showed unique adaptations to deepwater life and was classified by its discoverers in a separate family and suborder. Like its shark relatives, the stingray is outfitted with electrical sensors called ampullae of Lorenzini. You may have heard that the ability to chew food separates mammals from other animals. For example, in Malaysia and Singapore, stingray is commonly grilled over charcoal, then served with spicy sambal sauce, or soy sauce. What part of the globe receives slanting rays? Many rays have jaw teeth to enable them to crush mollusks such as clams, oysters, and mussels. © 1996-2015 National Geographic Society, © 2015- In Greek mythology, Odysseus, the great king of Ithaca, was killed when his son, Telegonus, struck him using a spear tipped with the spine of a stingray.

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