Results 101 to 110 of about 3,578 (213)

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

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.
MP. Almeida, PMO. Lins, P. Charvet-Almeida, RB. Barthem   +3 more
doaj   +1 more source

Spring 2009 [PDF]

, 2009
https://nsuworks.nova.edu/occ_currents/1007/thumbnail ...
NSU Oceanographic Center
core   +1 more source

Hábitos alimentares e sobreposição trófica das raias Potamotrygon falkneri e Potamotrygon motoro (Chondrichthyes, Potamotrygonidae) na planície alagável do alto rio Paraná, Brasil = Feeding habitats and trophic overlap of the freshwater stingrays Potamotrygon falkneri e Potamotrygon motoro (Chondrichthyes, Potamotrygonidae) in the upper Paraná river floodplain, Brazil

Acta Scientiarum: Biological Sciences, 2006
As raias Potamotrygon falkneri e Potamotrygon motoro foram avaliadas em relação à composição de suas dietas e a sobreposição do nicho trófico nos períodos de seca (agosto/2004) e cheia (janeiro/2005) na planície alagável do alto rio Paraná, em três ...
Milza Celi Fedatto Abelha, Alessandra Pasian Lonardoni, Erivelto Goulart, Edson Fontes de Oliveira   +3 more
doaj  

Influence of the Level of the Middle River Negro in the Amazon, Brazil, on the Properties of the Blood of the Cururu Freshwater Stingray Potamotrygon wallacei

Limnological Review
Amazonian fishes, as an adaptive form to the annual flood cycle, develop physiological strategies to adjust to variations in their habitats. The results of this study help to understand how freshwater stingrays adapt to changes in river levels and allow ...
Adriano Teixeira de Oliveira, Ariany Rabello da Silva Liebl, Maria Fernanda da Silva Gomes, Maiko Willas Soares Ribeiro, Rayana Melo Paixão, Antônia Jaqueline Vitor Paiva, Suelen Miranda dos Santos, João Paulo Ferreira Rufino, Junior Ribeiro Carvalho, Paulo Henrique Rocha Aride   +9 more
doaj   +1 more source

Summer 1994 [PDF]

, 1994
https://nsuworks.nova.edu/occ_currents/1076/thumbnail ...
NSU Oceanographic Center
core   +1 more source

BIOECOLOGÃ�A DE LA RAYA DE AGUA DULCE Potamotrygon magdalenae (Duméril, 1865) (MYLIOBATIFORMES) EN LA CIÉNAGA DE SABAYO, GUAIMARAL, COLOMBIA BIOECOLOGY OF THE FRESHWATER STINGRAY Potamotrygon magdalenae (Duméril, 1865) (MYLIOBATIFORMES) FROM THE CIÉNAGA DE SABAYO, GUAIMARAL, COLOMBIA

Revista U.D.C.A Actualidad & Divulgación Científica, 2011
A pesar de la representatividad de Potamotrygon magdalenae en Colombia, por encontrarse a lo largo de la cuenca del río Magdalena y sus afluentes, esta raya no ha sido objeto de estudios previos, desconociéndose la mayor parte de sus aspectos bio ...
Herly Bibiana Ramos-Socha, Marcela Grijalba-Bendeck   +1 more
doaj  

Designing marine fishery reserves using passive acoustic telemetry [PDF]

, 2006
Marine Fishery Reserves (MFRs) are being adopted, in part, as a strategy to replenish depleted fish stocks and serve as a source for recruits to adjacent fisheries.
Delgado, Gabriel A., Glazer, Robert A.
core  

Feeding habits and trophic level of Himantura gerrardi (Elasmobranchii; Dasyatidae) in northern Oman Sea: effects of sex and size class [PDF]

, 2018
The feeding habits and trophic level of Himantura gerrardi were studied according to sex and size classes of 80 individuals obtained using bottom trawl between May and December 2014 from the Oman Sea.
Fatemi, S.M.R., Mortazavi, M.S., Rastgoo, A.R., Valinassab, T.   +3 more
core  

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