- marauder, predator, vulture, piranha - someone who attacks in search of booty
--1 is a kind of attacker, aggressor, assailant, assaulter
--1 has particulars: moss-trooper - piranha, pirana, caribe - small voraciously carnivorous freshwater fishes of South America that attack and destroy living animals
--2 is a kind of characin, characin fish, characid
--2 is a member of Serrasalmus, genus Serrasalmus