Complex sentence: The Spanish Water Dog or "Perro de Agua Español" is a breed of dog developed by shepherds in Spain as a multi-purpose herder which was also used sometimes as a gundog, as well as an assistant to fishermen.
Split into simpler sentences: The Spanish Water Dog or "Perro de Agua Español" is a breed of dog developed by shepherds in Spain as a multi-purpose herder. It was also used sometimes as a gundog, as well as an assistant to fishermen.