![]() You are more likely to see spine-tailed devil rays in groups. See how big the giant oceanic manta ray is This video will give you an up-close look at these gentle giants of the sea. Behaviour – Oceanic manta rays are generally solitary (besides for courtship, mating and aggregating at feeding sites or cleaning stations). Depending on the concentration of food, these rays may feed in a straight line or barrel roll (somersault) through the water column.Ĩ. Talk about a super-sized genius Human Vs. However, some of these splendid high-flyers can reach up to 17 feet, which is about. Both the giant oceanic and reef manta rays have the largest brain-to-body weight ratio in the oceans. Diet – Both oceanic manta rays and spine-tailed devil rays feed on plankton such as krill, copepods and crustacean larvae. On average, the giant devil ray will measure about six to nine feet wide. Reaching widths of up to 29 feet (8.8 m), the manta rays are much larger than any. Analysis of collection records and sightings data suggest that spine-tailed devil rays are more abundant than oceanic manta rays in New Zealand.ħ. The giant manta ray is the largest ray and one of the largest fishes in the world. Population Size – Global population size estimates for both species are lacking as well as population size estimates for New Zealand. In New Zealand, they are usually found in waters deeper than 200m in the open ocean. The oceanic manta rays are generally found along the continental shelf in water temperatures of 18☌ or more.Ħ. ![]() Range – The spine-tailed devil ray is found worldwide in tropical to warm, temperate waters. Stingers – Whilst both are closely related to stingrays, the oceanic manta ray does not have a stinger at the end of its tail whereas the spine-tailed devil ray does. ![]() Appearance – Besides their difference in size, there are some differences in appearance which can help us tell the two apart.Ĥ. Length – A fully grown oceanic manta ray’s wingspan can reach up to 7m whilst spine-tailed devil rays reach to about 2m.ģ. Mobula Birostris is characterized by a deep dark dorsal. ![]() Size – Adult oceanic manta rays weigh up to 2,000kg whereas the spine-tailed devil rays reach about 300kg in weight.Ģ. Reef manta rays are typically 3 to 3.5 m (9.8 to 11.5 ft) in disc width, with a maximum size of about 5.5 m (18 ft). The Oceanic Manta is the largest type of manta ray that can be encountered in the Sea of Cortez. We’ve written this species spotlight in conjunction with Manta Watch New Zealand, to raise awareness of their research about these majestic creatures.ġ. These impressive rays are often confused with spine-tailed devil rays. Current knowledge of oceanic manta rays in New Zealand is very limited. ![]()
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