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rekordy: Manta ray

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birostris, the largest at 7 m (23 ft) in width, M.
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Manta rays are large rays belonging to the genus Mobula (formerly its own genus Manta). Three species are known: M. birostris, the largest at 7 m (23 ft) in width, M. yarae, which reaches 6 m (20 ft), and M. alfredi, the smallest at 5.5 m (18 ft). All three have triangular pectoral fins, horn-shaped cephalic fins and large, forward-facing mouths. They are classified among the Myliobatiformes (stingrays and relatives) and are placed in the family Myliobatidae (eagle rays). They have one of the highest brain-to-body ratio of all fish, advanced cognition, and may understand mirror contingencies. Mantas are found in warm temperate, subtropical and tropical waters. All three species are pelagic; M. birostris and M. yarae migrate across open oceans, singly or in groups, while M. alfredi tends to be resident and coastal. They are filter feeders and eat large quantities of zooplankton, which they gather with their open mouths as they swim. However, research suggests that the majority of their diet comes from mesopelagic sources. Gestation lasts over a year and mantas give birth to live pups. Mantas may visit cleaning stations for the removal of parasites. Like whales, they breach for unknown reasons. M. birostris and M. alfredi are both listed as vulnerable by the International Union for Conservation of Nature. Anthropogenic threats include pollution, entanglement in fishing nets, and…
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Wikipedia ENPOTWIERDZAniezależne

Evidence: 94 • authority: 72

Manta rays are large rays belonging to the genus Mobula (formerly its own genus Manta). Three species are known: M. birostris, the largest at 7 m (23 ft) in width, M. yarae, which reaches 6 m (20 ft), and M. alfredi, the smallest at 5.5 m (18 ft). All three have triangular pectoral fins, horn-shaped cephalic fins and large, forward-facing mouths. They are classified among the Myliobatiformes (stingrays and relatives) and are placed in the family Myliobatidae (eagle rays). They have one of the highest brain-to-body ratio of all fish, advanced cognition, and may understand mirror contingencies. Mantas are found in warm temperate, subtropical and tropical waters. All three species are pelagic;…

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Wikipedia ENpomocnicze

Evidence: 60 • authority: 72

Mobula is a genus of rays in the family Mobulidae that is found worldwide in tropical and warm, temperate seas. Some authorities consider this to be a subfamily of the Myliobatidae (eagle rays). Species of this genus are often collectively referred to as "devil rays", "flying mobula", or simply "flying rays", due to their propensity for breaching, sometimes in a spectacular manner. These rays gather in groups and leap out of the surface into the air up to around 2 m (6 ft 7 in) before splashing back into the water. The genus includes the giant manta rays (traditionally in their own genus Manta), M. alfredi, M. birostris, and M. yarae, which are among the largest known rays.

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Figure 22: Distribution of Disc Width (m) for <i>Manta birostris</i> by measurement method, sex, and region.

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Wikipedia ENpomocnicze

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The reef manta ray or hāhālua (Mobula alfredi) is a species of ray in the family Mobulidae, one of the largest rays in the world. Among generally recognized species, it is the third-largest species of ray, surpassed by the Giant oceanic manta ray and the Atlantic manta ray. 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 but in 2017 was changed, along with the rest of the mantas, to be included as part of the genus Mobula. Reef manta rays are typically 3 to 3.5 m (9.8 t…

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Wikipedia ENpomocnicze

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The giant oceanic manta ray, giant manta ray, oceanic manta ray, or pelagic manta ray (Mobula birostris) is a species of ray in the family Mobulidae and the largest type of ray in the world. It is circumglobal and is typically found in tropical and subtropical waters but can also be found in temperate waters. Until 2017, the species was classified in the genus Manta, along with the smaller reef manta ray (Mobula alfredi). DNA testing revealed that both mantas are closer related to some Mobula species than these are to other Mobula, being claded together. As a result, the two Manta species were absorbed into Mobula to reflect the new classification.

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