No.
Betta fish grow to be an average of 2 inches from head to the beginning of the tail.
you don't
Yes a betta fish will grow back lost scales with time and clean water.
No
Betta fish grow paler and less active when they are sick or old.
a long time
The average is 1.5 inches
it depends on how small the bowl is betta fish usually dont grow larger then 3 or 4 inches
A Betta Fish or Siamese Fighting Fish are only a few inches. The females grow to about 2.5" and males grow to 3".
Yes, but slowely.
Because, if they are in a small cage the Betta will stop growing. But, the organs will keep growing and the fish will die a long and painful death.
A Male Betta will grow to about 2.5inches of body length and a Female will grow to about 2 inches of body length. A Betta is fully grown at about 6 to 8 months a Betta is very old at 30 to 36 months.