• Title/Summary/Keyword: Potamotrygon motoro

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A Case Report of Envenomation and Injury by a Poisonous Spine of A Marble Motoro (Potamotrygon Motoro) (아마존 모토로 담수가오리(Potamotrygon motoro)의 척추 돌기 독 가시에 의한 손상 1례)

  • Choa, Min Hong;Jun, Seung Ho;Kim, Duk Hwan;Park, Jong Su;Kim, Su Jin;Hong, Yun Sik;Lee, Sung Woo
    • Journal of The Korean Society of Clinical Toxicology
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    • v.11 no.1
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    • pp.46-48
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    • 2013
  • Potamotrygon motoro, also known as the Marble motoro, is a potamodromous freshwater ray native to the basins of the Amazon River. Marble motoros were introduced to South Korea in the 2000s, and, because they are easy to raise, were sold as aquarium fish. The aim of this report is to illustrate a new case involving envenomation by a Marble motoro. A 35-year-old commercial aquarium assistant came to the hospital after being pricked by a Marble motoro. The clinical picture in this case showed acute local pain with minimal systemic manifestations. This patient recovered after receiving symptomatic treatment and wound care. This case of envenomation accentuates the potential for injury among people coming in contact with a venomous Marble motoro.

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Isolation of a zoonotic pathogen Aeromonas hydrophila from freshwater stingray (Potamotrygon motoro) kept in a Korean aquarium with ricefish (Oryzias latipes)

  • Yun, Saekil;Lee, Young-Ran;Giri, Sib Sankar;Kim, Hyoun Joong;Chi, Cheng;Kim, Sang Guen;Kim, Sang Wha;Jun, Jin Woo;Park, Se Chang
    • Korean Journal of Veterinary Research
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    • v.57 no.1
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    • pp.67-69
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    • 2017
  • In the present study, Aeromonas (A.) hydrophila was isolated from a captive-bred adult freshwater stingray (Potamotrygon motoro) reared at a commercial aquarium in Korea. The stingray had bites on its fins, hemorrhages on the ventral part, and congested internal organs. A bacterium was isolated from kidney and subsequently identified as A. hydrophila. Based on phylogenetic analysis results, the isolate in the present study (SNUAh-LA1) was most closely related to A. hydrophila AH10 (China) and A. hydrophila AKR1 (Korea). It is most likely that the pathogen infection resulted from Potamotrygon motoro cohabiting with ricefish (Oryzias latipes).