65s Rivered flush, fish donk shoves on the river 2x pot

Posted 6 years, 7 months ago

Blinds: $0.10/$0.25 (5 Players) UTG: $38.32
CO: $21.84
BN: $26.30 (Hero)
SB: $9.75
BB: $26.46

Preflop ($0.35) Hero is BN with 6 5

UTG calls $0.25, CO folds, Hero raises to $0.90, 2 folds, UTG calls $0.65

Flop ($2.15) 7 2 9

UTG checks, Hero bets $1.34, UTG calls $1.34

Turn ($4.83) 7 2 9 Q

UTG checks, Hero bets $3.00, UTG calls $3.00

River ($10.83) 7 2 9 Q A

UTG bets $33.08 and is all in, Hero

Hero has 21d behind. I mean are we always facing a higher flush here? I do not think if fish would shove here AQ for 2x pot