Results 101 to 110 of about 3,591 (200)

Mid-Holocene marine faunas from the Bangkok Clay deposits in Nakhon Nayok, the Central Plain of Thailand [PDF]

ZooKeys
Based on several field investigations, many molluscan shells and chondrichthyan teeth, together with other invertebrate and actinopterygian remains were found from the marine Bangkok Clay deposits in Ongkharak, Nakhon Nayok, at a depth of ~ 5–7 m below ...
Parin Jirapatrasilp, Gilles Cuny, László Kocsis, Chirasak Sutcharit, Nom Ngamnisai, Thasinee Charoentitirat, Satapat Kumpitak, Kantapon Suraprasit   +7 more
doaj   +3 more sources

Highly migratory shark fisheries research by the National Shark Research Consortium (NSRC), 2002-2007 [PDF]

, 2007
The National Shark Research Consortium (NSRC) includes the Center for Shark Research at Mote Marine Laboratory, the Pacific Shark Research Center at Moss Landing Marine Laboratories, the Shark Research Program at the Virginia Institute of Marine Science,
Burgess, George H., Cailliet, Gregor M., Ebert, David A., Hueter, Robert E., Musick, John A.   +4 more
core  

Potamotrygon boesemani (Chondrichthyes: Myliobatiformes: Potamotrygonidae), a new species of Neotropical freshwater stingray from Surinam

Neotropical Ichthyology
Potamotrygon boesemani, new species, is described from the Corantijn river drainage in Surinam. The species has a diagnostic dorsal color pattern formed by deep orange to red ocellated spots of irregular form, encircled by relatively broad black rings ...
Ricardo S. Rosa, Marcelo R. de Carvalho, Cristiane de Almeida Wanderley   +2 more
doaj   +1 more source

An informational summary on elasmobranchs in Elkhorn Slough [PDF]

, 1994
Shark angling derbies have been held in Elkhorn Slough since 1946, and archery derbies since about 1973. Elkhorn Slough is an important pupping and breeding area for leopard sharks, Triakis semifasciata, and bat rays, Myliobatis californica, and a ...
Spratt, Jerome D.
core  

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

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

Spring 2009 [PDF]

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

Independent Transitions to Freshwater Environments Promote Phenotypic Divergence, Not Convergence, in Stingrays

Integrative And Comparative Biology
Synopsis Instances of convergent or parallel evolution provide a potent model system for exploring contingency and determinism in evolutionary biology. Likewise, the multiple, independent habitat transitions from saltwater to freshwater biomes offer opportunities for studying convergent evolution within and among different vertebrate ...
A Magnuson, M N Dean, J C Weaver, J P Fontenelle, N R Lovejoy, M A Kolmann   +5 more
openaire   +2 more sources

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