Mobula tarapacana (Philippi, 1892)
Chilean devil ray
Mobula tarapacana
photo by Wirtz, P.

Family:  Mobulidae (Devilrays)
Max. size:  328 cm WD (male/unsexed); 305.2 cm WD (female); max.weight: 350 kg
Environment:  reef-associated; depth range 0 - 1896 m, oceanodromous
Distribution:  Circumtropical, recorded from scattered localities. Western Atlantic: off Venezuela. Eastern Atlantic: Côte d'Ivoire and South Africa. Reported from Cape Verde (Ref. 34514). Indian Ocean: northwestern Red Sea and India. Western Pacific: Japan, Taiwan, and probably tropical Australia. Eastern Pacific: Gulf of California and Chile.
Diagnosis:  A large devil ray with a long head bearing short head fins; dorsal fin plain, and pectoral fins with strongly curved, swept-back tips; upper disc densely covered with small, pointed denticles and tail shorter than disc with no spine (Ref. 5578). Dark blue (Ref. 5578), olive-green to brownish above; ventral side white anteriorly, grey posteriorly, with an irregular but distinct line of demarcation (Ref. 11228). No caudal fin (Ref. 5578).
Biology:  Mostly oceanic, but also in coastal waters. Solitary, sometimes forms groups (Ref. 12951). Feeds on small fishes (Ref. 5578) and planktonic crustaceans (Ref. 9911). Ovoviviparous (Ref. 50449). Litter number 1 (Ref. 12951). Sometimes found stranded in beaches in temperate areas (Ref. 9911). Data on female Max. length from Ref.9256. Commonly caught in tuna gillnet and in harpoon fisheries. Utilized for its gill filter plates (very high value),meat, cartilage and skin (Ref.58048).
IUCN Red List Status: Vulnerable (VU); Date assessed: 23 February 2016 (A2bd) Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Froese, Rainer - 31.05.95
Modified by: Valdestamon, Roxanne Rei - 16.08.19
Checked by: Compagno, Leonard J.V. - 23.10.95

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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