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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]
Depending on the species, the devil rays can attain widths up to 1.1–5.2 m (3.6–17.1 ft), the largest being second only to the manta rays in size, which can reach 5.5–7.0 m (18.0–23.0 ft). [3] Despite their size, little is known about the devil rays, much of it anecdotal; the manta rays are better known.
The spinetail mobula ray is a large ray which can grow up to a maximal width of 3.1 m (10 ft); average width is 2.3 m (7 ft 7 in). [7] [8] Like most rays, it is dorsoventrally flattened, also known as a depressed body form, and has relatively large triangular pectoral fins on either side of the main body disc that sit slightly convex.
"Several of these efforts have been in partnership with the Florida Manta project, advancing our understanding of this unique species," said Calusa Horn, NOAA's southeast region giant manta ray ...
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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.
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A manta ray executing several different turns. By varying the shape of its fins asymmetrically it is able to be quite maneuverable for its size and rigidity. Mobuliform swimming is common in pelagic Myliobatiformes species such as manta rays and is characterized by a flapping motion of the pectoral fins. It is very similar in appearance to ...