
Piranha upper jaw teeth closeup
A very detailed view at the saw-like row of upper teeth of the red bellied piranha. Note that this is only one row, a second sits behind the frontal row.
This photo is taken from a conserved specie, in case you were wondering. And yes, I always have a dead piranha in my house. It's proven to be handy, to scare kids, or to use as a macro test subject in this case.

The red-bellied piranha, also known as the red piranha , is a species of piranha native to South America, found in the Amazon, Paraguay, ParanĂ¡ and Essequibo basins, as well as coastal rivers of northeastern Brazil. This fish is locally abundant in its freshwater habitat.
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