When I had my saltwater aquarium, I bought all of my fish (lion fish, clownfish, even anemones) at Vanyo Beach. I even got the cleaning shrimps there too. They're WAY cheaper than those pet shops found in the city or those merchants found in Manalili. The fishermen at the beach would be there to sell whatever they caught and others would even catch whatever you want to specifiy as long as you have a picture handy. ^_^