Notes on the spawning activity of the tiny scale barb (Thynnichthys thynnoides, Bleeker 1852) in relation to its gonadal development in Perak River, Malaysia - Azmai, Mohammad Noor Amal; Ismail, Ahmad; Nasruddin, Nurrul Shaqinah; Abdul Rahman, Mohd Faid (Chulalongkorn University Museum of Natural History, Department of Biology, Faculty of Science, Chulalongkorn University, 2015)