When the Arowana breathes irregularly, change approximately 20% of the water every 2 to 3 days. Use air pumps and air stones to increase the level of dissolved oxygen in the water. In the very serious stages, the gill tissues are totally sclerotic. An operation is necessary to have the infected portion removed. Water parameters. Silver arowanas come from the tropical river ecosystem of South America and can be pretty hardy when it comes to water conditions. These fish will need a stable water temperature between 75-82° F (23.9-27.8° C) with a relatively neutral pH between 6.0-7.0. In 1975, 183 countries signed a treaty classifying the Asian Arowana as a endangered species and banning the fish from international trade. But this treaty only transformed the fish. Due to its listing people started viewing it as rare and obsession grew. Blacks markets provided the fish and the Asian Arowana became a luxury commodity. 5. Nov 30, 2009. #1. To my very unpleasant surprise, I found my 14" silver arowana dead in the tank this morning. His body was just floating partially in the middle of the tank. There was not a mark on him. No signs of illness until this morning, no evidence of aggression, or cuts, or anything. He just died. I personally think a 250 is fucking fine for now. Especially for a RED arowana that isn't even fully grown yet. It's not going to get as big as lets say, a Silver would. Like it honestly makes me really happy to see an arowana in a tank big enough for it to turn around in. This set up is probably one in a million here in Hawaii. Vay Tiền Nhanh Chỉ Cần Cmnd Nợ Xấu.

silver arowana is lucky or not