(2013). It’s that happy place we all dream of when we need to unwind, unplug and celebrate life. They are also exploited for the novelty value of their rostrum, their fins are eaten as a delicacy in China, and their liver oil used as a food supplement. [25] Because their rostrum is easily entangled, sawfishes can easily become bycatch in fishing nets. They are characterized by their flat bodies and, like sharks, have a tough and elastic skeleton made of cartilage. Rays are distinguished by their flattened bodies, enlarged pectoral fins that are fused to the head, and gill slits that are placed on their ventral surfaces. The market for shark and ray products is first and foremost a luxury one: The gill plates, in the case of manta rays, are used in China for a tonic soup that has become fashionable because of perceived medicinal properties, even though it is not in the traditional Chinese pharmacopoeia.
We’re all familiar with the tropical fish, playful dolphins and chilled out turtles that call this part of the world home, but not many people know that these waters also provide a home for several species of ray. This is CITES highest protection level, and means that all international trade of the species is banned.[26][27]. [13] They have one of the highest brain-to-body mass ratios of all fish. Common Stingray . Surprisingly, female stingrays grow much bigger than males. The bottle nosed ray is a large species of ray which has unfortunately had its numbers and range of distribution severely reduced by overfishing.
Rays are a large group of fish closely related to sharks. Small Eyed Ray . To help them stay hidden in the sand, this species has diamond-shaped disks in white on their belly and gray, black or dark brown diamond-shaped disks on their back. "[12] In 2013 CITES uplisted the largetooth sawfish to Appendix I. Undulate Ray . They and their close relatives, the sharks, comprise the subclass Elasmobranchii. Manta rays use their gills to filter plankton from the sea. They maintain this impressive weight by gorging themselves on small fish, whelks, octopus, annelids, crabs, shrimp and bivalves.
The head is also very pronounced and features a beak-shaped tapered snout like a bird. Rays are distinguished from sharks by a flattened, disklike body, with the five gill openings and the mouth generally located on the underside. Froese, Rainer and Pauly, Daniel, eds.
Thornback Ray . 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.
This means that the international trade of manta rays will now be monitored and regulated. Because their prey is usually buried in the sand, southern stingrays force streams of water out their mouths and flap their fins over the sand to encourage them to come out.
[2][21], Sawfish are a less well known family of rays which have a long rostrum resembling a saw. Spotted eagle rays can be huge. The pectoral fins of this species are extremely pronounced and wing-shaped which they use for gliding over the ocean’s floor. With the very first manta ray nursery in the world just discovered in the Gulf of Mexico, everyone’s talking about this magical marine species!
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