osteoglossum bicirrhosum swimming in the lake in khanh an monastery, ho chi minh city, vietnam

actinopterygii amazon animalia arowana bicirrhosum chi chordata city craniata dragon fish gnathostomata good khanh lake lucky minh monastery neopterygii osteichthyes osteoglossidae osteoglossiformes osteoglossinae osteoglossomorpha osteoglossum river silver swimming symbol teleostei vertebrata vietnam