That is funny...... how do they even get started in the fish business without knowing something so fundamental?
What you talking about? This is common pleco. Most common pleco come from Florida fish hatchery.Bogwoodbruce;2876309; said:Depending on the species and where they come from in the wild some species will tolerate higher degree of salinity.
Not all of the amazon is fresh, there are area's of brackish and even full salt.
