To which family do silver dollars belong, sharing ancestry with piranhas and pacu?
Answer
Serrasalmidae
Silver dollars belong to the family Serrasalmidae, indicating they share an evolutionary heritage with the piranha and pacu, although the silver dollar has a primarily peaceful disposition.

Related Questions
Which species is generally considered the quintessential silver dollar fish by most hobbyists?To which family do silver dollars belong, sharing ancestry with piranhas and pacu?What is the maximum diameter an adult silver dollar fish is capable of reaching?What is the ideal temperature range centered for maintaining silver dollars?What is the generally accepted optimal pH range for silver dollars?When setting up an aquarium for silver dollars, which tank dimension should be prioritized over others?What is the primary dietary classification for the silver dollar fish?What is the minimum recommended group size for silver dollars to display their best, most relaxed behavior?What minimum tank size is required for a stable school of six or more adult silver dollars?What temperature range is specifically recommended to encourage silver dollar spawning?