Why don't sharks eat fish in aquariums (aquatic zoos)?

The fact is they do eat the other fish in the aquarium. Any time you have an enclosed echosystem fish get sick or injured that is the dinner bell to any predator. read more

If sharks are well enough trained without the presence of other fish in the system, they will rely on the food from that aquarist and will most often ignore other fish. read more

This is the type of question that goes through my brain as I watch the fish swim around large aquariums. As someone who has an insatiable need to know these things, I posted the question on both my personal Facebook page and on my Google + page. read more

For this reason, sharks should be avoided at all cost (by both beginning and experienced fish keepers) except if you are willing to house them in a huge tank with a huge filtration system. When I say huge, I do not mean a 150 gallon tank. I mean a HUGE tank. Sharks need a ton of space to swim and they produce a massive bio-load on your tank. read more