The Braves went on to win 5-2, but Acuna's chance to extend his three-game streak of leadoff homers was put on hold when Jose Urena hit him with his first pitch, triggering a melee that led to benches and bullpens for Atlanta and Miami emptying twice.
Snitker was demonstrably disturbed and was the catalyst for a second clearing of the benches shortly after the first scrum had begun clearing.
Also, Braves first base coach Eric Young was suspended one game and fined.
Acuña stayed in after being hit but left before the top of the second inning.
The hit-by-pitch occurred with the Marlins leading 1-0 on a Brian Anderson RBI single.
According to the Elias Sports Bureau, because of Rule 9.23, Acuna's streak of homering in five straight games remains intact because he was hit by the pitch in his only plate appearance.
With everyone at the ballpark watching to see if the rookie could hit yet another leadoff homer, Acuna instead became the 11th batter to be hit by a pitch from Urena this season, tied for the most in the National League.
Former Indian PM Atal Bihari Vajpayee dies
Atal Bihari Vajpayee , a diabetes patient, was admitted to AIIMS on June 11 for what doctors had described as a routine check-up. The Modi government in 2014 that Vajpayee's birthday, December 25, would be marked as Good Governance Day.
There was no immediate update on Acuna's apparent injury.
Acuña entered having homered in a Braves franchise record tying five straight games. The last-place Marlins have lost five straight and eight of nine.
Snitker called Urena's actions a "damn shame" after the game.
With another leadoff clout Tuesday, Acuna became youngest player in Major League Baseball history to homer in five straight games, and he went deep again in that game, a 10-6 Braves win.
Adam Duvall replaced Acuna in left field.
Marlins: Miami, off Thursday, opens a weekend series at Washington on Friday night.
Acuna was back in the lineup for the Braves on Thursday night against Colorado.