There are different answers to the question of how long fish can go without food while you travel, depending on the fish species and how long you’ll be gone.
This colorful and vibrant fish is a top choice for many freshwater aquariums because of its unique appearance. This species can go for two weeks (14 days) without food.
This species is a common choice for 10-gallon fish tanks because they are hardy, colorful, relatively inexpensive, and last for two weeks (14 days) without food.
This fish is well-loved by beginners and veterans alike for their distinctive tail shape and striking coloration. A hardy species, they can survive one to two weeks (7 to 14 days) without food.
While adults can survive up to two weeks (14 days) without food, molly fries can last only a few days. That’s important since mollies often breed quickly.
Some of the more fragile species (catfish, discus fish, or some cichlids like angelfish, for example) can’t live for more than a few days without food before dying.