Bulgallian Sludge Rat

The Bulgallian Sludge Rat, or simply Bulgallian Rat, is a non-sapient species known to the United Federation of Planets in the 24th century.

Like the Mellanoid Slime Worm, the name of this species can also be used as an insult.

Appearances

 * Star Trek: The Next Generation, s01e19, "Coming of Age" (1988)