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Tribbles don't move much. I have no idea how they get around. Guinea pigs run fast. Some estimates put their top speed at 37 mph. That is so damn fast, I kind of wonder if there's supposed to be a decimal point in that, as in 3.7 mph?
5. Cost & Collectibility
Guinea pigs cost anywhere between ten and $35 bucks. Curly-haired Peruvian or Himalayan guinea pigs cost a little more. Tribbles, toy ones, cost $29.99. Two actual TV series prop Tribbles from the episode "Trials and Tribble-ations" were purchased at auction at Christie's in the US in 2006for $4,800. The estimated price before auction was $800 - $1,200.
6. Fighting Potential
In a fight to the death, which would win: tribble or guinea pig? My money is on guinea pig, if only because tribbles have no appendages or teeth.