Results 51 to 60 of about 414 (162)

Potamotrygon amandae Loboda & Carvalho 2013

, 2023
Published as part of Lima, Arthur De, Loboda, Thiago Silva, Gianeti, Michel Donato, Silva, João Paulo Capretz Batista Da & Pinna, Mario De, 2023, Type specimens of Elasmobranchii in the Museu de Zoologia da Universidade de São Paulo (MZUSP), pp. 301-332 in Zootaxa 5296 (3) on pages 313-314, DOI: 10.11646/zootaxa.5296.3.1, http://zenodo.org/record ...
Lima, Arthur De, Loboda, Thiago Silva, Gianeti, Michel Donato, Silva, João Paulo Capretz Batista Da, Pinna, Mario De   +4 more
openaire   +2 more sources

CITES Appendix III: An underused tool for international wildlife trade regulation

Conservation Science and Practice, EarlyView.
Appendix III of CITES allows Parties to unilaterally extend domestic species protections to international trade, yet it remains vastly underused, covering just 1.3% of listed species. Drawing on the complete historical record since 1975, we show that Appendix III is most effective for endemic species and functions as a highly successful staging ...
Freyja Watters, Phillip Cassey
wiley   +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 - DOI: 10.4025/actascibiolsci.v28i3.208

Acta Scientiarum: Biological Sciences, 2007
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 ...
Alessandra Pasian Lonardoni, Erivelto Goulart, Edson Fontes de Oliveira, Milza Celi Fedatto Abelha   +3 more
doaj   +1 more source

Potamotrygon marquesi Silva & Loboda 2019

, 2023
Potamotrygon marquesi Silva & Loboda, 2019 Holotype: MZUSP 117790; adult female, 226 mm DW (approximately the same DW as cited in Silva & Loboda, 2019); (Fig. 14); Rio Tarauacá, municipality of Tarauacá, Acre State, Brazil, 8º4’5.88”S, 70º43’4.8”W; depth not listed; F. P. L. Marques et al.; July 2006. Notes: Ventral skin removed.
Lima, Arthur De, Loboda, Thiago Silva, Gianeti, Michel Donato, Silva, João Paulo Capretz Batista Da, Pinna, Mario De   +4 more
openaire   +2 more sources

Organ‐specific terpenoid responses in Tanacetum vulgare are chemotype‐dependent

Plant Biology, Volume 28, Issue 5, Page 1437-1453, August 2026.
Common tansy varieties defend differently: some boost root chemicals against soil pests, while others release stronger leaf scents against aphids. Abstract Specialized metabolites such as terpenoids are known to mediate plant defence mechanisms. However, how terpenoid diversity governs inducible chemistry across organs remains poorly understood.
H. Newrzella, R. Heinen, C. M. Villasante, I. Zimmer, B. Weber, P. Kary, G. Gerl, A. Neuhaus, A. Sigalas, L. Ojeda‐Prieto, J. B. Winkler, W. W. Weisser, J.‐P. Schnitzler   +12 more
wiley   +1 more source

Global Patterns and Drivers of Climate Vulnerability in Sharks and Rays: A Reassessment Using the IRACC Framework

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 7, July 2026.
ABSTRACT Climate vulnerability in sharks and rays is unevenly distributed across habitats and ecological groups, reflecting differences in exposure pathways and biological constraints. Using an updated application of the Integrated Risk Assessment for Climate Change (IRACC) framework, we conducted a global reassessment of climate vulnerability for 95 ...
Ava Graham, Daniel M. Moore
wiley   +1 more source

DNA barcode reveals the illegal trade of rays commercialized in fishmongers in Brazil

Forensic Science International: Synergy, 2020
Sequences of the mitochondrial gene COI (DNA Barcode) were used to identify species of rays and skates commercialized in fishmongers in Brazil. The comparisons of the obtained sequences with previously published data available in NCBI and BOLD showed ...
Raul B. Camacho-Oliveira, Cahique M. Daneluz, Fernanda D. do Prado, Ricardo Utsunomia, Carlos E. Rodrigues, Jr., Fausto Foresti, Fábio Porto-Foresti   +6 more
doaj   +1 more source

Sharks, Rays, and MPAs: A Global Assessment of Marine Protected Area Coverage in National Waters Across Species Ranges

Conservation Letters, Volume 19, Issue 4, July/August 2026.
ABSTRACT Global conservation agreements emphasize protected area coverage targets, such as the Kunming–Montreal Global Biodiversity Framework's 30 × 30 target, yet their effectiveness in safeguarding biodiversity remains uncertain. We measure the intersection between marine protected area (MPA) coverage and the distribution of sharks and rays.
Amanda E. Arnold, Jay H. Matsushiba, Nicholas K. Dulvy   +2 more
wiley   +1 more source

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

Journal of Fish Biology, Volume 109, Issue 1, Page 257-263, July 2026.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro, Raquel Lopes Queiroz, Cristiéle da Silva Ribeiro   +2 more
wiley   +1 more source

Forensic Application of Cytb and COI Genes for Freshwater stingray Identification: A Seizure Case in Bogotá, Colombia

Revista Científica
Freshwater stingrays of the Potamotrygonidae family are highly valued in the international market as ornamental fish, leading to growing demand and economic significance. In Colombia, despite legal regulations aimed at protecting these animals and their
Lisbeth Gelvez, Ana Cuellar, María Gómez, Jorge Oliveros, Paola Alméciga–Diaz, Myreya Pinedo–Castro, John Infante–González   +6 more
doaj   +1 more source