are stingrays mammals
Sawfish are a less well known family of rays which have a long rostrum resembling a saw. Some species can reach 7 metres or 23 feet in length. All species of sawfish are either endangered or critically endangered as a result of habitat destruction and overfishing. Answers.com® is making the world better one answer at a time. no. No, a stingray is not a mammal. A stingray is a type of fish which is related to the shark. 6 people found this useful. Stingrays Photograph by David Doubilet, National Geographic. Two stingrays cruise through crystal-clear waters near Grand Cayman. Like their close relatives the sharks, the 200-odd species of stingrays are boneless fish that boast skeletons made of tough tissue called cartilage. Some stingrays are bottom feeders and dine on crabs, clams, shrimp, and worms. Other species, like the devil rays, feed on plankton strained from ocean waters. Cownose Ray Photograph by Mike Theiss, National Geographic. A cownose ray shows off its good side in an exhibit tank at Orlando’s SeaWorld park. Because rays and sharks are closely related, they are often studied together. In 2010 a global IUCN study of vertebrates found that of 1,044 cartilaginous (ray and shark) species examined, 345 or 33% were threatened with extinction. There are four orders of rays: stingrays, skates, electric rays and sawfishes. Share this post: A distant cousin of the shark, Stingrays and other rays like skates, electric rays, guitarfishes and sawfishes are classified as Batoidea, a type of cartilaginous fish and have around 500 described species in thirteen families. The official definition for the word mammal is a warm-blooded  vertebrate animal of a class that is distinguished by the  possession of hair or fur, the secretion of milk by females for the  nourishment of the young, and the birth of live young.. Mammals are warm blooded. They also have hair or fur. Manta rays are largest rays in the world, with wingspans reaching 7 metres. They have one of the highest brain-to-body mass ratios of all fish. Manta populations suffer when they are caught as bycatch by fishermen fishing for other species, but fisheries which target manta rays are even more harmful. All mammals including humans and elephants are  warm-blooded, part of the definition of a mammal. The other primary  characteristics of mammals are live birth and suckling. Meet The Rays- Types of Stingrays, Eagle Rays and Manta Rays. A distant cousin of the shark, Stingrays and other rays like skates, electric rays, guitarfishes and sawfishes are classified as Batoidea, a type of cartilaginous fish and have around 500 described species in thirteen families. Stingrays and sharks belong to the same group of cartilaginous fish. This means that instead of bones, they’re supported by skeletons of cartilage. Like sharks, stingrays use sensors called ampullae of Lorenzini to sense the electrical signals emitted by their prey.
No, a stingray is not a mammal.