Potamotrygon motoro (Motoro Stingray, P01 | 台北市立動物園資訊網
AlongwithsawfishandsharksallraysareincludedintheclassElasmobranchii.Theyhavenobonesintheirbody,withtheskeletalstructuresbeingcomposed ...
ClassificationPotamotrygonidae
DistributionThis species[1] has a very wide natural range, taking in parts of Colombia, Peru, Bolivia, Brazil, Paraguay, Uruguay and Argentina. It’s been recorded in the main Amazon basin[2] and numerous smaller rivers including the Rio Orinoco, Rio Uruguay, Rio Paraná and Rio Paraguay.
HabitatLike other members of the genus[3] it inhabits a variety of biotopes. These include sand[4] banks, the shallows of major rivers and slow-moving tributaries with substrates of mud or sand[5]. It also move into areas of flooded forest during the annual wet season and can later be found in terrestrial lakes and ponds formed by the receding flood waters.
Maximum Standard LengthDepending on locality, up to 36″/90cm across the disc. This would be exceptional in the aquarium, although many captive specimens top 24″/6...
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Potamotrygon motoro (Motoro Stingray, P01 | 台北市立動物園資訊網
Potamotrygon motoro | 台北市立動物園資訊網
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【珍珠魟】:江魟科;
身體呈圓盤狀,背部色彩由褐色至淡褐色,上有圓形奶油狀的斑點散布,尾柄的棘刺為中空的構造,有分泌毒液的毒腺及儲藏毒液的...