- Silver: Many piranha species have a silvery coloration, which helps them blend in with their surroundings.
- Black: Some piranha species, such as the black piranha (Serrasalmus rhombeus), have a dark black coloration.
- Red: Some piranha species, such as the red-bellied piranha (Pygocentrus nattereri), have red markings on their belly or fins.
- Green: Some piranha species, such as the green piranha (Serrasalmus manueli), have a greenish coloration.
- Yellow: Some piranha species, such as the yellow piranha (Serrasalmus rhombeus), have a yellowish coloration.
It's worth noting that the coloration of piranhas can also vary depending on their environment, diet, and age.
