Astyanax - During the Trojan War, Andromache hid the child in Hector's tomb but the child was discovered, and his fate was debated by the Greeks, for if he were allowed to live, it was feared he would avenge his father and rebuild Troy.
Catoprion - The wimple piranha is not traditionally considered to be a true piranha; the shape of its teeth and the presence of two rows of teeth on the upper jaw makes it different from the other piranha genera.
Colossoma - Fossils of a living species of Colossoma from the Miocene have been described, suggesting a very conservative history for a specialized herbivorous fish.
Planaltina - Originally a municipality of the state of Goiás dating from before the eighteenth century, it had part of its territory integrated into the new Federal District, when the capital was transferred from Rio de Janeiro to Brasília in 1960.
Poptella - Poptella is a genus of fish in the Characidae family.