American crayfish, introduced to Spain in the 1970s, have decimated Iberian crayfish populations. However, experts debate reintroducing Iberian crayfish, as they too may not actually be native to the region.
American crayfish, introduced to Spain in the 1970s, have decimated Iberian crayfish populations. However, experts debate reintroducing Iberian crayfish, as they too may not actually be native to the region.