Explanation to first two photomontages, each number representing a difference: (1) presence, colour and shape of supra-branchial shoulder patches (2) ventral spot distribution and colouration (3) presence or absence of caudal spine (5) colour of mouth. Both species also occur in rarer dark (with less white than typical) and light (with less black) morphs. denticles) because they are of limited use to us. I have not included the physiological differences (e.g. The first two montages illustrate the primary differences between typical M. I have attached three photomontages and a preliminary map from Marshall, Compagno and Bennett (2009). birostris, and the mantas at Osaka Kaiyukan Aquarium are M. birostris, the mantas at Atlantis Aquarium are the possible new species or M. The captive population of manta rays at the aquarium is now 5 which is the largest collection of manta rays on display in any aquarium. I haven't seen good photos of them but based on their origin I guess the manta at Lisbon Oceanarium was M. alfredi and the three that came from Florida are the possible new species. The one in Georgia Aquarium that came from South Africa is M. The mantas in Okinawa Churaumi Aquarium are M. I haven't done a thorough check but I wonder what species really are kept at the different aquariums. Atlantic there is also a possible new manta species that is intermediate in size its range only overlaps with M. birostris can be seen both in tropical and warm temperate regions, tends to be found in deeper waters, and is found in the Indo-Pacific, east Pacific and Atlantic. alfredi is almost entirely tropical, sometimes seen in relatively shallow coastal waters, and is found in the Indo-Pacific and east Atlantic. birostris but in 2009 (Marshall, Compagno and Bennett: Zootaxa 2301) it was established that there are at least two species: the smaller (up to 5.5 m in span) M. Most literature still have all mantas under the name M.
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