Rodent
A rodent was a small animal belonging to the mouse or rat family usually considered a pest.

J. Mees Rodent Control was a 19th century Earth business dealing with rodents. ()

On Dimorus, the indigenous rodent creatures used deadly poisoned darts as weapons. ()

In 2369, Julian Bashir compared the situation in the Wadi labyrinth to a laboratory rodent in a maze. ()

In 2370, Lieutenant Commander Data remarked that his pet cat, Spot, had never seen any form of rodentia after he witnessed her twitching and breathing rapidly, which he concluded suggested anxiety. ()

In 2371, after she was captured by the Vidiians,  B'Elanna Torres explained that Klingons found honor on the battlefield, not as guinea pigs in a laboratory. ()

Later the same year, Doctor Ma'Bor Jetrel visited Neelix aboard the  in order to screen him for a fatal blood disease, caused by a weapon of mass destruction, created by Jetrel himself. Neelix refused, saying that Jetrel "would have to find another laboratory rodent to help him in his experiments". ()

In 2373, Q called Neelix a "bar rodent" as he ordered another drink. ()

That same year, in Seska's altered version of the Insurrection Alpha holonovel, the holographic Seska referred to Tom Paris and Tuvok as "these two rodents." ()

Similarly, in 2378,  called Neelix a "kitchen rat". ()

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Animals
Insults