Because Arowana fish reproduction is very difficult, and its recent version began to be shorter and more vulnerable, there are less of these types of fish. It protects the extinction
Because the fish is aromatic Nirvana fish reproduction difficult. And later it began last shorter and shorter. It makes the fish less. It is not to protect endangered species.
Because ปลาอะโรวาน่า fish reproduce very difficult. Generation and its start short lived down. Therefore, with this species. Must protect them from extinction .