Impactante hallazgo: 13 tiburones en la costa de Río de Janeiro dan positivo para cocaína

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La semana pasada, un estudio publicado en la revista Science of the Total Environment reveló un hallazgo preocupante realizado por investigadores brasileños: la presencia

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de cocaína en tiburones capturados frente a la costa de Río de Janeiro. Este descubrimiento marca la primera vez que se detecta esta alta cantidad de cocaína en este tipo

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Los tiburones encontrados fueron de la especie Rhizoprionodon lalandii, pequeños y de aproximadamente un metro de longitud, conocidos por habitar hábitats costeros.

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Tras su hallazgo, fueron disecados y se tomaron muestras de músculo e hígado para análisis. Los resultados fueron contundentes: todos los animales analizados dieron positivo

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en cocaína, y la mayoría también mostró presencia de benzoilecgonina, un metabolito de la cocaína.

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Estos animales se caracterizan por medir aproximadamente un metro de largo. Son una especie de tiburones no muy grandes que se alimentan de peces y calamares.

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Mira la nota completa haciendo clic aquí

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