Mastacembelus dayi is considered to be very rare by science, but fortunately this is probably not true. Supposedly only 3 specimens have ever been found and these 3 were used to describe the species. More
Tilan kelokoi in Malay (bahasa Melayu)
单色刺鳅 in Mandarin Chinese
單色刺鰍 in Mandarin Chinese
戴氏刺鰍 in Mandarin Chinese
戴氏刺鳅 in Mandarin Chinese