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en.wikipedia.org/wiki/Manta_ray

Manta rays are large rays belonging to the genus Manta. The larger species, M. birostris, ... Gestation lasts over a year and mantas give birth to live pups. Mantas .... skeletons do not preserve well as they lack the calcification of the bony fish.

en.wikipedia.org/wiki/Giant_oceanic_manta_ray

The giant oceanic manta ray (Manta birostris) is a species of ray in the family Mobulidae, and ... The manta ray does not have a spiny tail as do the closely related devil rays (Mobula spp.) but has a knob-like .... "Live-bearing manta ray: how the embryo acquires oxygen without placenta and umbilical cord". Biology Letters.

www.mantaray-world.com/manta-ray-habitat

Manta Ray Habitat and Distribution. Where do manta rays live? Manta rays are marine animals whose life passes quietly in salt water. Broadly speaking, manta  ...

news.nationalgeographic.com/2016/06/mantas-rays-migrations-conservation-oceans

Jun 20, 2016 ... Oceanic manta rays travel long distances much less often than ... Scientists have found that oceanic manta rays (Manta birostris) usually live their lives ... way that other large pelagic species do,” says lead author Josh Stewart, ...

www.bioexpedition.com/manta-ray-habitat

Nov 1, 2012 ... Information about Manta Ray Habitat, Distribution and Geographical ... Those that do live in colder water will live in deeper areas of it as the ...

www.arkive.org/giant-manta-ray/manta-birostris

Learn more about the Giant manta ray - with amazing Giant manta ray videos, ... 12 months and then hatch internally, so that the female gives birth to live young.

animaldiversity.org/accounts/Manta_birostris

Manta rays are found in tropical and warm temperate coastal regions of the world's ... of Manta birostris is 13 months, after which females give birth to 1 or 2 live young. ... tough skin, but due to their size they do not have many natural predators.

www.mantarayshawaii.com/faq.html

How long do Manta Rays live? No one knows for sure, but estimates of 50 to 100 years have been made. “Lefty” has been seen since 1979. According to ...

a-z-animals.com/animals/manta-ray

Jul 5, 2010 ... Unlike many sharks, manta rays do not actually have teeth and instead sieve the food particles out of the water using rows of tiny plates in their ...