Results 91 to 100 of about 1,538 (201)

Levels of Total Mercury and Health Risk Assessment of Consuming Freshwater Stingrays (Chondrichthyes: Potamotrygoninae) of the Brazilian Amazon. [PDF]

Int J Environ Res Public Health, 2023
Oliveira AT, Rodrigues PA, Ramos Filho AM, Gomes MFDS, Liebl ARDS, de Pinho JV, Aride PHR, Conte-Junior CA.   +7 more
europepmc   +1 more source

Elastic-Snapping–Driven Butterfly Stroke: A Soft Robotic Fish

Machines
The locomotion of fish provides inspiration for designing efficient and agile underwater robots. Potamotrygon motoro propels itself by generating traveling waves along its pectoral fins. Inspired by its graceful swimming stroke, we design and fabricate a
Lin Tian, Ruo-Pu Chen, Yu Zhao, Zhi-Peng Wang, Jiao Jia, Weifeng Yuan, Xi-Qiao Feng, Zi-Long Zhao   +7 more
doaj   +1 more source

Diet of the freshwater stingray Potamotrygon motoro (Chondrichthyes: Potamotrygonidae) on Marajó Island (Pará, Brazil) Dieta da raia de água doce Potamotrygon motoro (Chondrichthyes: Potamotrygonidae) na Ilha de Marajó (Pará, Brasil)

Brazilian Journal of Biology, 2010
The stomach contents of 137 examples of Potamotrygon motoro caught in 3 locations (Muaná, Afuá and Lake Arari) on Marajó Island were analysed. The values of the Index of Relative Importance (IRI) and its respective percentage (%IRI) were calculated. The level of repletion 1 (¼ full) was the most representative for both sexes, as well as for immature ...
MP. Almeida, PMO. Lins, P. Charvet-Almeida, RB. Barthem   +3 more
openaire   +1 more source

Mapping of the venomous stingrays of the Potamotrygon genus in the Tietê River, São Paulo Sstate, Brazil. [PDF]

Rev Soc Bras Med Trop, 2022
Moreira ISR, Haddad Junior V.
europepmc   +1 more source

Lista de los peces de agua dulce de la Argentina. [PDF]

, 1987
Lista de peces de agua dulce restringida a la información básica: los autores de géneros y especies, la fecha de descripción, y las referencias bibliográficas a aquellos trabajos que fundamentan las modificaciones o agregados realizados.
López, Hugo Luis, Menni, Roberto Carlos, Miquelarena, Amalia María   +2 more
core  

Rhythmic chew cycles with distinct fast and slow phases are ancestral to gnathostomes. [PDF]

Philos Trans R Soc Lond B Biol Sci, 2023
Richard BA, Spence M, Rull-Garza M, Roba YT, Schwarz D, Ramsay JB, Laurence-Chasen JD, Ross CF, Konow N.   +8 more
europepmc   +1 more source

Karyotypic variation of two populations of the small freshwater stingray Potamotrygon wallacei Carvalho, Rosa & Araújo 2016: A classical and molecular approach. [PDF]

PLoS One, 2023
Ferreira AMV, Viana PF, Marajó L, Feldberg E.   +3 more
europepmc   +1 more source

Rayas de agua dulce (potamotrygonidae) de la amazonia colombiana: i. composición e información bioecológica [PDF]

, 2019
En el marco de un proyecto colaborativo entre Defenders of Wildlife (DoW), la Fundación Omacha (FO) y el Instituto de Investigación de Recursos Biológicos Alexander von Humboldt (IAvH) de Colombia, se realizó una evaluación en campo durante la época ...
Lasso, Carlos A., Morales-Betancourt, Monica A.   +1 more
core  

Stingray Venom Proteins: Mechanisms of Action Revealed Using a Novel Network Pharmacology Approach. [PDF]

Mar Drugs, 2021
Kirchhoff KN, Billion A, Voolstra CR, Kremb S, Wilke T, Vilcinskas A.   +5 more
europepmc   +1 more source

Broad but restricted detection of malacosporeans in a Neotropical cradle of diversification. [PDF]

Parasitology, 2021
Naldoni J, Okamura B, Hartikainen H, Corrêa LL, Adriano EA.   +4 more
europepmc   +1 more source