Jackson gets a total of 6x5= <<6*5=30>>30 fishes after the competition.
Jonah gets 4x5= <<4*5=20>>20 fishes after the competition.
And George was able to get 8x5=<<8*5=40>>40 fishes after the competition.
Therefore the total fishes they were able to get for their team is 30+20+40= <<30+20+40=90>>90.
#### 90