Danionella: a diminutive of the generic name Danio, in reference to the tiny adult size of 10-12 mm in this genus.
dracula: in reference to the long, tooth-like fangs in males, inspired by Count Dracula in Bram Stoker’s novel.
Known only from the Mogaung Chaung (Mogaung stream), Myitkyina District, Kachin State, northern Myanmar. This is a tributary of the Ayeyarwady River and the species is probably found only over a relatively small area.