It Seems Harmless, but This Nice Little Fish Is One of the Worst Invasive Species in Spain

In the animal world, many times nothing is what it looks like.When you see a friendly animal, that seems harmless and even that could be adopted... this can be a predator without problem.And that's the case of this fish.Although its appearance is common, nothing to highlight, the reality is that it has become one of the most voracious predators there is.It is suffered by ecosystems, native species, and so it happens with the 250 invasive species…