This type of fresh-water mussel first appeared in the Pantano de Bermejales in 2009, when an adult specimen was found there. Now, five years on, parts of the shoreline have clusters of them scattered all over the place.
This type of fresh-water mussel first appeared in the Pantano de Bermejales in 2009, when an adult specimen was found there. Now, five years on, parts of the shoreline have clusters of them scattered all over the place.