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The devil fish is larger than its close relative the lesser devil ray. It grows to a length of disk 3.5 metres (11 ft), making it one of the largest rays. It possesses a spiny tail. [4] The devil fish is the third largest species in the genus Mobula, after the oceanic and reef manta rays. It is the only mobulid species that lives in the ...
The shortfin devil ray is a small eagle ray growing to a maximum width of 120 cm (47 in) and a weight of 30 kilograms (66 lb). It is flattened horizontally with a wide central disc and the head is short with small cephalic fins. The large pectoral fins have curved tips and the dorsal fin has a white tip.
The edges of the jaws line up while in devil rays, the lower jaw shifts back when the mouth closes. [12]: 14 Manta rays and devil rays are the only ray species that have evolved into filter feeders. [6] Manta rays have dorsal slit-like spiracles, traits which they share with the devil fish and Chilean devil ray. [8]
The slippery creature is a sicklefin devil ray, a giant fish known to dive to depths of 6,000 feet, according to a study published in the Journal of the Marine Biological Association of the United ...
Lesser devil rays are relatively small, with a maximum width of about 125 cm (49 in). They have forward-facing cephalic horns, while their long spineless tails distinguish them from their relatives M. mobular. [4] [5] Dorsal coloration varies from light brown to black, although some specimens have been reported as blue. [5]
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.
The genus was named by Constantine Samuel Rafinesque in 1810 describing the devil fish, Raia mobular or now Mobula mobular.The name can be explained from Latin mobilis "mobile" or "movable", because of the species' migratory habits; [7] [8] another explanation is that mobula is a local name used by people living in Azores who call this creature there.
The bentfin devil ray can reach a disc width of 189 cm (6.2 ft) [3] and weigh about 54 kg (120 lb). [4] The length of the disc is about 1.95 times its width. The front edge of the disc is nearly straight near the snout, but curves sinuously as it approaches the broad, triangular pectoral fins.