Myliobatis freminvillii, bullnose eagle ray

• Autores: Carlson, J.; Charvet, P.; Avalos, C.; Blanco Parra, M. P.; Briones Bell lloch, A.; Cardeñosa, D.; Chiaramonte, Gustavo Enrique; Cuevas, J.M.; Derrick, D.; Espinoza, E.; Mejía Falla, P. A.; Morales Saldaña, J. M.; Motta, F.; Naranjo Elizondo, B.; Pacoureau, N.; Paesch, L.; Perez Jiménez, J. C.; Rincon, G.; Schneider, E. V. C.; Simpson, N. J.; Talwar, B. S.; Pollom, R.
• Año de publicación: 2020
• Idioma: inglés
• Tipo de recurso: artículo
• Materia: Chondrichthyes; Myliobatiformes; Myliobatidae; Bullnose Eagle Ray
• Institución: Consejo Nacional de Investigaciones Científicas y Técnicas

The Bullnose Eagle Ray (Myliobatis freminvillii) is a medium-sized (to 106 cm disc width) demersal coastal eagle ray that occurs in the Northwest, Western Central, and Southwest Atlantic Oceans from Massachussetts, USA to the Texas coast of the Gulf of Mexico and from Venezuela to Buenos Aires, Argentina and inhabits continental shelves from the surface to a depth of 122 m. Its is captured by artisanal longlines, gillnets, beach seines and also in industrial shrimp trawls. In the Northwest Atlantic, population trend data are available from a deep-water trawl survey in the northern Gulf of Mexico that reveal steep increases in abundance over 2002-2013. There are no known threats in the Northwest and Western Central Atlantic, but in the Southwest Atlantic artisanal fisheries are intense. Further, there are largely unmanaged commercial trawl and longline fisheries in this area. This inshore eagle ray is exposed to intense and often unmanaged fishing pressure throughout the Southwest Atlantic portion of its range, and it has no refuge at depth. Due to the level of exploitation by widespread artisanal fisheries which lack adequate management, it is suspected that this species has undergone a population reduction of >80% over the past three generation lengths (44 years) in the Atlantic South American part of its range, but is stable in the Northwest and Western Central Atlantic. Overall, based on its range, with almost all threats found in the Southwest Atlantic, and the suspected low productivity of the species, the Bullnose Eagle Ray is suspected to have undergone a population reduction of 30-49% in the past three generation lengths (44 years) due to levels of exploitation, and it is assessed as Vulnerable A2bd.
Fil: Carlson, J.. National Marine Fisheries Service; Estados Unidos
Fil: Charvet, P.. Universidade Federal do Paraná; Brasil
Fil: Avalos, C.. Fundacion Mundo Azul; Guatemala
Fil: Blanco Parra, M. P.. Universidad de Quintana Roo; México
Fil: Briones Bell lloch, A.. Direccion de Regulaciones Pesqueras y Ciencias; Cuba
Fil: Cardeñosa, D.. Florida International University; Estados Unidos
Fil: Chiaramonte, Gustavo Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia". Estación Hidrobiológica de Puerto Quequén (sede Quequén); Argentina
Fil: Cuevas, J.M.. Wildlife Conservation Society; Estados Unidos
Fil: Derrick, D.. University Fraser Simon; Canadá
Fil: Espinoza, E.. Direccion Parque Nacional Galapagos; Ecuador
Fil: Mejía Falla, P. A.. Wildlife Conservation Society; Estados Unidos
Fil: Morales Saldaña, J. M.. Smithsonian Tropical Research Institute; Panamá
Fil: Motta, F.. Universidade Federal de Sao Paulo; Brasil
Fil: Naranjo Elizondo, B.. Universidad de Costa Rica; Costa Rica
Fil: Pacoureau, N.. University Fraser Simon; Canadá
Fil: Paesch, L.. Dirección Nacional de Recursos Acuáticos; Uruguay
Fil: Perez Jiménez, J. C.. El Colegio de la Frontera del Sur; México
Fil: Rincon, G.. Universidade Federal Do Maranhao.; Brasil
Fil: Schneider, E. V. C.. Cape Eleuthera Institute; Bahamas
Fil: Simpson, N. J.. Salvageblue; San Vicente y las Granadinas
Fil: Talwar, B. S.. Florida International University; Estados Unidos
Fil: Pollom, R.. University Fraser Simon; Canadá