The Bala Shark, also known as the Silver Shark and is great for the semi-aggressive community aquarium. This is one of the more passive freshwater sharks, and they are an active fish that will be visible during the day. The Bala Shark is a beautiful fish with a metallic silver body with a yellow and black dorsal and caudal fin.It requires a large aquarium with driftwood, rocks, and spots of dense vegetation. This shark does best in small groups of 3 or more, as they prefer to school in the aquarium. Unfortunately, the breeding habits of the Bala Shark have not been documented.