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The giant oceanic manta ray can grow up to a maximum of 9 m (30 ft) in length [6] and to a disc size of 7 m (23 ft) across with a weight of about 3,000 kg (6,600 lb), [7] [8] but the average size commonly observed is 4.5 m (15 ft). [9]
The manta ray, here seen at Hin Daeng, Thailand, is the largest ray. Both the largest species of this order and the largest of all rays is the giant oceanic manta ray (Manta birostris). This peaceful leviathan can reach a size of 3,000 kg (6,600 lb), a "disk" width of 9.1 m (30 ft) and a total length of 5 m (16 ft). [44]
The Okinawa Churaumi Aquarium houses manta rays in the "Kuroshio Sea" tank, one of the largest aquarium tanks in the world. The first manta ray birth in captivity took place there in 2007. Although this pup did not survive, the aquarium has since had the birth of four more manta rays in 2008, 2009, 2010 and 2011.
The US has tested a futuristic “manta-ray” style underwater drone that could one day be used for long-distance missions around the world.. The Manta Ray prototype uncrewed underwater vehicle ...
The first difference could be the size because the giant oceanic manta ray is bigger than the reef manta ray, 4 to 5 m (13–16 ft) on average versus 3 to 3.5 m (9.8–11.5 ft) on average. [7] However, if the observed rays are young, their size can easily bring confusion.
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The National Oceanic and Atmospheric Administration's fisheries division is trying to get a better count of population sizes and the distribution of giant manta rays in the Atlantic, including ...
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