Help

[paul_219]

My sailfin was gasping air very hard and quickly for 2 days. Then i Found her dead in the morning laying upside down. I dont know what happened i was very sad. I have a 29 gal tank with 6 othere mollies. Plz help. What causes this disease to come.

 

[-germ-]

Could be anything with the info you've provided so far, please elaborate ie;
Tank stats.
Other symptoms.
Recent additions to tank.
Could be hypoxia, parasites, nitrite/nitrate/ammonia poisoning etc, etc, etc....

More info please.