potamotrygon wallacei | 台北市立動物園資訊網
PotamotrygonisagenusoffreshwaterstingraysinthefamilyPotamotrygonidaenativetothe...Potamotrygonvaryconsiderablyincolor,patternandsize,withthemaximumdiscwidthrangingfrom31cm(1ft)inP.wallaceito1.5m(5ft)inP.,PotamotrygonwallaceiCarvalho,Rosa&Araújo2016·Classification/NamesCommonnames|Synonyms|CatalogofFishes(gen.,sp.)·Environment:milieu/ ...,2018年3月29日—ThisfreshwaterstingraylivesendemicallyintheRioNegrosysteminBrazilandisorwasthemostoftenimportedspeciesofPotamotrygonfrom ...,Itdiffersfro...
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Potamotrygon | 台北市立動物園資訊網
Potamotrygon is a genus of freshwater stingrays in the family Potamotrygonidae native to the ... Potamotrygon vary considerably in color, pattern and size, with the maximum disc width ranging from 31 cm (1 ft) in P. wallacei to 1.5 m (5 ft) in P. Read More
Potamotrygon wallacei | 台北市立動物園資訊網
Potamotrygon wallacei Carvalho, Rosa & Araújo 2016 · Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) · Environment: milieu / ... Read More
Potamotrygon wallacei | 台北市立動物園資訊網
2018年3月29日 — This freshwater stingray lives endemically in the Rio Negro system in Brazil and is or was the most often imported species of Potamotrygon from ... Read More
Potamotrygon wallacei | 台北市立動物園資訊網
It differs from P. orbignyi and other reticulated species by having a single (anterior) angular cartilage and in the color pattern of the tail, but is easily distinguished ... Read More
Potamotrygon wallacei | 台北市立動物園資訊網
orbignyi, P. humerosa, P. signata, and P. marinae; P. wallacei, n. sp., is easily distinguished from these species by its unique color pattern, arrangement of ... Read More
Rio Negro 'Hystrix' Stingray Gets a Name | 台北市立動物園資訊網
Endemic to Brazil's Rio Negro, the freshwater ray, was named Potamotrygon wallacei in honor of Alfred Russel Wallace, the famed British naturalist. Wallace led ... Read More
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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...