The digital deal of the day over at Amazon today is Piranha (2010), which is available for rental for only $.99.

This deal is valid only for today, Thursday, March 31, 2011, until midnight PST. Once you activate the rental through Amazon’s Instant Video service, you’ll have access to the movie for 24 hours. If you’re interested in purchasing the digital version, the cost is $14.99.

Also, if you’d like to own a physical copy of Piranha (which was called Piranha 3D in theaters), the Blu-ray is available for $22.99 while the DVD is $18.99. And if you’re set up for 3D home viewing, there’s also a 3D Blu-ray for $26.99.

Here at Geeks of Doom, we talked a lot about Piranha when it was first released and I, for one, enjoyed the hell out of it. It’s definitely worth a dollar rental.

After a sudden underwater tremor sets free scores of the prehistoric man-eating fish, an unlikely group of strangers must band together to stop themselves from becoming fish food for the areas new razor-toothed residents.

Directed by: Alexandre Aja
Starring: Elisabeth Shue, Adam Scott, Jerry O’Connell, Ving Rhames, Jessica Zsohr, Steven R. McQueen, Christopher Lloyd, Richard Dreyfuss