cá bông lau

Etymology
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The Đại Nam quấc âm tự vị (1895) defined as "Vẻ xen lộn có đen có trắng; bông cây lau" ("the appearance is a mix of black and white; reed flowers"). The intended sense is likely the first one, thus probably "black-and-white fish".

Noun

 * 1) a type of shark catfish,