No they are not. If they're yellow for a long time they might be.
One or twice per day.
depends what type of fish it is most of the time when a fish is on the bottom it means its sick or depressed but your fish is probably healthy
Asian tiger mosquito or forest day mosquito(Aedes albopictus)
When a fish has not been fed for several hours it will become sick and will stop growing. Be sure to log in at least once a day to feed your fish and clean your tank to keep fish happy and at optimum value. You do not have to worry about your fish dying but they will be stuck at the last growth phase in which they were last fed.
20th august
In the group of schoolmates that Nemo goes to school with the first day, he is the one with the buck teeth.
Day
they only bite at day
dud goggle it ok
dead
Dawn and dusk
They will change colors when they are hungry or stressed out. If they stay a light color for a day or more this could be the first sign of a disease though.