Search results
The bizarre Lessiniabatis of Early Eocene Italy. Permineralized stingray teeth have been found in sedimentary deposits around the world as far back as the Early Cretaceous.The oldest known stingray taxon is "Dasyatis" speetonensis from the Hauterivian of England, whose teeth most closely resemble that of the extant sixgill stingray (Hexatrygon).Although stingray teeth are rare on sea bottoms compared to the similar shark teeth, scuba divers searching for the latter do encounter the teeth of ...
Jul 16, 2024 · Stingray, any of a number of flat-bodied rays noted for the long, sharp spines on their tails. Stingrays are disk-shaped and have flexible, tapering tails armed, in most species, with one or more saw-edged, venomous spines. They inhabit warm temperate and tropical waters, sometimes in great abundance.
Stingrays are commonly found in the shallow coastal waters of temperate seas. They spend the majority of their time inactive, partially buried in sand, often moving only with the sway of the tide.
Stingrays, with their wide, flat bodies, may not look like fish, but they are. They are related to sharks, and like their shark cousins, they do not have bones. Instead, their bodies are supported by cartilage—the same material that you feel inside the tip of your nose. Stingrays have broad fins that run the full length of their bodies, giving them a flat, roundish shape. To swim, some stingrays move their whole bodies in a wavy motion that propels them through the water. Other species ...
Sep 3, 2020 · Related: Giant stingray could be world's largest freshwater fish Most species of stingrays sport dull colors that help with camouflage, though some do have more lively colors, such as the blue ...
Stingray is the common name for any of the various cartilaginous fish comprising the family Dasyatidae, characterized by enlarged and flat pectoral fins continuous with the side of the head, no caudal fin, eyes on the dorsal surface, and narrow, long, and whip-like tail, typically with one or more venomous spines. Marine, brackish water, and freshwater species are known. Ecologically, stingrays are important components of aquatic food chains, consuming mollusks, crustaceans, tube anemones ...
See a place where divers can swim with stingrays. Subscribe: http://bit.ly/NatGeoSubscribeAbout National Geographic:National Geographic is the world's premi...
Description of the Stingray. These fishes are dorsoventrally flattened, which means they are short and wide, almost as if someone sat on them. This body shape is specialized to their bottom-dwelling lifestyle, though there are a few species that live higher in the water column.
Oct 13, 2020 · The Basics. The stingray is a cartilaginous fish that can be found in temperate and tropical marine and freshwater habitats around the world. These fish belong to the order Myliobatiformes and are closely related to sharks.
Image credit: Kelly Timmons. 11. Electric rays are named for their ability to generate and discharge a strong electric current to stun prey and for defence from potential predators.. 12. Fossil records date stingrays back to the Jurassic period, 150 million years ago!. 13. Rays can vastly vary in size. The smallest ray is the short-nose electric ray which is approximately 10cm across and weighs about 400g.The oceanic manta ray is the largest ray reaching up to 7m in wing span and weighs 2 ...
