<https://piranhaguide.com/the-size-and-anatomy-of-piranha/#webpage>
<http://schema.org/description>
"With somewhere around 30 to 60 species reckoned to fit under the name ‘Piranha’ it’s fair to conclude their might be some variability in size. Whether in captivity or swimming in the Amazon also makes a difference, but what sizes do Piranha range from?"
<https://piranhaguide.com/the-size-and-anatomy-of-piranha/>