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Alfred Manta Video Stock Footage
The reef manta ray can grow to a disc size of up to 5 m (16 ft) but average size commonly observed is 3 to 3.5 m (11 ft). It is dorsoventrally flattened and has large, triangular pectoral fins on either side of the disc. At the front, it has a pair of cephalic fins which are forward extensions of the pectoral fins. These can be rolled up in a spiral for swimming or can be flared out to channel water into the large, forward-pointing, rectangular mouth when the animal is feeding. The eyes and the spiracles are on the side of the head behind the cephalic fins, and the 5 gill slits are on the ventral (under) surface. It has a small dorsal fin and the tail is long and whip-like. The manta ray does not have a spiny tail as do the closely related devil rays (Mobula spp.). The color of the dorsal side is dark black to midnight blue with scattered whitish and greyish areas on top head. The ventral surface is white, sometimes with dark spots and blotches. The markings can often be used to recognise individual fish. Mobula alfredi is similar in appearance to Mobula birostris and the two species may be confused as their distribution overlaps. However, there are distinguishing features. The species was described in 1868 by Gerard Krefft, the director of the Australian Museum. He named it M. alfredi in honor of Alfred, Duke of Edinburgh, the first member of the British royal family to visit Australia.. It was originally described as part of the genus Manta bu...
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