Is it normal for my friends fish to do this ...?

　
Is it normal for my friends fish to do this ...?
My friends fish has been shedding ... is this normal??
answer:
No, it is not good. Probably from bad water conditions. A betta needs at least 5 gallons and a heater, along with 25% water changes every week. How does she care for the fish?
it isnt good for a fish to shed no
not at all