Results 111 to 120 of about 519,530 (231)

Upper Thermal Tolerance of the Endemic Freshwater Stingray Potamotrygon Magdalenae and Inference on its Populations: An Endemic Potamotrygonid Resistant to High Temperatures Facing Thermal Changes

bioRxiv, 2023
Daniela Gómez-Martínez, E. Londoño-Cruz, P. Mejía-Falla   +2 more
semanticscholar   +1 more source

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

, 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.
Saekil Yun, Youngran Lee, S. Giri, Hyoun-Joong Kim, Chi Cheng, Sang Guen Kim, Sang Wha Kim, Woo-Jun Jin, Se Chang Park   +8 more
semanticscholar   +1 more source

An annotated checklist of ichthyofauna and associated estuarine biota of the Manakudy Estuary, southern Tamil Nadu, India

Journal of Fisheries
This study assessed the ichthyofaunal and associated floral diversity of the Manakudy Estuary, southwest coast of India, over a two-year period involving monthly surveys from August 2023 to July 2025.
Adyasha Sahu, Jayakumar Natarajan, Sudhan Chandran, Durairaja Ramulu, P. Padmavathy, P. Velmurugan, Domendra Dhruve, Debabrata Panda, Kamei Ringjonmeilu, Narsingh Kashyap   +9 more
doaj   +1 more source

Morphological aspects of the digestive system in freshwater stingray (Potamotrygon amandae—Loboda and Carvalho, 2013): myliobatiformes; potamotrygoninae

Zoomorphology, 2023
Júlia Bastos de Aquino, Luana Félix de Melo, R. Rodrigues, A. P. F. de Melo, Luciano de Morais-Pinto, R. Rici   +5 more
semanticscholar   +1 more source

UV radiation and freshwater zooplankton: damage, protection and recovery

, 2010
While many laboratory and field studies show that zooplankton are negatively affected when exposed to high intensities of ultraviolet radiation (UVR), most studies also indicate that zooplankton are well adapted to cope with large variations in their UVR
Milla Rautio, Barbara Tartarotti
core  

Investigation of Genetic Connectivity Among Marine and Freshwater Populations of the Atlantic Stingray (Dasyatis Sabina)

, 2003
The Atlantic stingray is one of the few elasmobranchs to have conquered freshwater, establishing the only known permanent batoid population in the rivers and lakes of North America.
Richards, Vince, Akle, Veronica
core   +1 more source

Characterizing venom from giant freshwater stingray (Himantura Chaophraya, Monkolprasit and Roberts, 1990) in Thailand

วิทยานิพนธ์ (วท.ม.)--จุฬาลงกรณ์มหาวิทยาลัย, 2555ปลากระเบนเป็นปลากระดูกอ่อนเช่นเดียวกับปลาฉลาม ในบางตัวพบว่าบนหางมีเงี่ยงที่มีหนามแหลมลักษณะคล้ายเลื่อยและมีเยื่อบุผิวปกคลุมโดยรอบ เงี่ยงของปลากระเบนบางสายพันธุ์มีพิษ จากรายงานที่ผ่านมาพบว่ามีปลากระเบนกว่า ...
พนมพร แสนประเสริฐ
core   +1 more source

Lesiones por animal ponzoñoso, raya de agua dulce: serie de casos

Medicina Clínica Práctica
Resumen: Introducción: la toxina que produce la raya de agua dulce tiene un efecto histolítico, anafiláctico y altamente doloroso. Objetivo: presentar una serie de casos clínicos de accidente con animal ponzoñoso, raya de río, su caracterización clínica
María Alejandra Ríos González, Natalia Sánchez Coronel, Dayra Constanza Rojas Duran, William Mauricio Acero Moreno, Lorena García Agudelo   +4 more
doaj   +1 more source

The role of specially designated wildlife sites in freshwater conservation – an English perspective

, 2007
The value of specially designated sites in conserving biodiversity has been a hotly debated issue for many years. The debate has recently been given fresh impetus by the creation of Natural England, the new Government Agency responsible for the ...
Chris Philip Mainstone; Natural England
core   +2 more sources

Phylogeography and conservation genetics of the Amazonian freshwater stingray Paratrygon aiereba Müller & Henle, 1841 (Chondrichthyes: Potamotrygonidae)

Neotropical Ichthyology
The family Potamotrygonidae is monophyletic comprising three genera: Paratrygon Duméril, Potamotrygon Garman and Plesiotrygon Rosa, Castello & Thorson.
Renata G. Frederico, Izeni P. Farias, Maria Lúcia Góes de Araújo, Patricia Charvet-Almeida, José A. Alves-Gomes   +4 more
doaj   +1 more source