Saltwater Aquarium/fish


I am going on a vacation. I want to know how long can a fish goldfish or bala shark stay alive without food ..if not fed.. thanks

Vacation fish feeder
Vacation fish feeder  
Tropical freshwater fish including Goldfish and Bala Sharks may survive up to 2 weeks without being fed, because they can survive on algae and other micro-organisms already in their tank... not that you should go this long without caring for your fish.

There are vacation feeders available on the market, to help remedy this problem. See the image I included.

Thank you.

Happy Holidsys.

I wish you a prosperous 2016 New Year!  

Saltwater Aquarium

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David Ocreef


Technical saltwater coral reef related aquarium questions are welcome. Coral, invertebrate, and peaceful species of saltwater fish questions are welcome. Questions asked on Saturday and Sunday will be answered the following Monday. REMINDER: Please check the answers pool to see if your question has already been asked and answered. Questions typically are answered within a 48 hour period, however sometimes it may take longer.


I possess over twenty-five years of hands-on experience and knowledge in the ecology of aquariums. Beyond the traditional, I have successfully tested and sustained environments that have been uncharted territories for hobbyists, for decades. I am the first to admit I don't know it all because there will always be something new, amazing, and exciting to learn about, as discoveries are made. It's a hobby one can never outgrow, or grow tired of.

MASNA - Marine Aquarium Society of North America. Director of Orange County Reef Aquatics -

Publications,, and many others.

After High School, my experience and love of marine animals influenced me to take up studies in Marine Biology. Throughout college, I studied Microbiology with an emphasis on Marine Life, as well as numerous other sciences. I continued to advance in this hobby, by building a dozen or more saltwater ecosystems all utilizing Microbes as the major source of my filtration method.

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