Nacreous clam : Náyades
We are all part of an ecosystem, and we think we know everything about life around us. But she takes different forms, it is often mysterious ... The nacreous clams of the hydric system of Rio de la Plata are an example of this. These clams are native. They live in freshwater. They are large, and its outer surface is covered by a dark layer, but they have a very beautiful inner nacre layer. They live in our ecosystem, buried in the sandy mud of unpolluted waterways, and part of their life cycle are parasites of fishes . In the early 50's they were used to make buttons. Today they are threatened by pollution, overfishing and the presence of invasive species that compete for their habitat. Todos nosotros somos parte de un ecosistema, y pensamos que conocemos toda la vida que nos rodea. Pero, ella toma diferentes formas , muchas veces es misteriosa... Las almejas nacaríferas de la cuenca del Río de la P...