A Denebian slime devil (bottom right)
Denebian slime devil ( Denebia carnivora) was a foul animal from the planet Deneb IV.
2268, the Klingon Korax compared James T. Kirk to a Denebian slime devil, an insult that offended Pavel Chekov. ( : " TOS "; The Trouble with Tribbles : " DS9 ")
Trials and Tribble-ations
Information about Denebian slime devils was displayed by the
computer as an LCARS graphic in Keiko O'Brien's schoolroom on Deep Space 9 in 2369. ( : " DS9 ", " A Man Alone " The Nagus )
Painting in McCoy's office
The artwork used in the graphic which identified the Denebian slime devil on screen originates from an entry in the
, published in Star Fleet Medical Reference Manual 1977.
According to the recreated production art
shown in the  owner Star Trek Original Series Set Tour James Cawley, the painting of a multi-eyed alien hung in Leonard McCoy's Sickbay office, seen in : " TOS ", was labeled as a "Denebian slime devil".
Wink of an Eye
book, Star Trek Roleplaying Game describes the Denebian slime devil as a carnivorous creature, living in the swamps on Creatures Deneb V, which can digest anything from sea animals to Humans. They can vary in sizes from 10 cm to 1 meter, and can mass up to 26 kg.