Search results
Results From The WOW.Com Content Network
The smalleye stingray is widely but possibly discontinuously distributed in the Indian and Pacific Oceans, having been first tagged in Tofo in Mozambique, [6] and reported in Malé in the Maldives, the coasts of India and Bangladesh, the Gulf of Thailand, Malaysia and Indonesia, the Arafura Sea, and possibly the Philippines.
Spiracles are small openings that allow some fish and amphibians to breathe. Stingray spiracles are openings just behind its eyes. The respiratory system of stingrays is complicated by having two separate ways to take in water to use the oxygen.
The smalleyed round stingray (Urotrygon microphthalmum) is a species of fish in the family Urotrygonidae. It is found in Brazil , French Guiana , Guyana , Suriname , and Venezuela . Its natural habitats are open seas and shallow seas.
For over a hundred million years, the stingray has roamed the world's oceans as an almost mythological animal: extraordinarily graceful, yet potentially lethal.
Measuring up to 29 cm (11 in) across, the pale-edged stingray has a diamond-shaped pectoral fin disc, a long projecting snout, small eyes, and a whip-like tail with both dorsal and ventral fin folds. It is chocolate brown above and white below. The diet of the pale-edged stingray consists mainly of small crustaceans and fishes.
The pregnancy of a stingray living in a tank without male rays has stirred a sudden interest in parthenogenesis, a scientific term that essentially means virgin birth.
HENDERSONVILLE, N.C. (AP) — A stingray that got pregnant at a North Carolina aquarium this winter despite not having shared a tank with a male of her species for many years has died. The Aquarium and Shark Lab in Hendersonville said on Facebook late Sunday that the stingray, Charlotte, died after getting a rare reproductive disease.
A stingray named Charlotte that was thought to have become pregnant by this method died this week at an aquarium in North Carolina, though she never delivered and it is unclear if she was ever pregnant. Some wasps, crustaceans and lizards reproduce only through parthenogenesis. But in other species it’s rare and usually observed in captivity.