What's the difference between reef and fish only?

Dec 21, 2004
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Oceanside, CA
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#1
Hello, I'm cruious to know the difference between a reef and a fish only aquarium. I know that reef systems have live rock and sand, but does that mean that I could have clownfish with no Anemone? <~ I know, I know...
I need further explanation please. :confused:
 

aresgod

Superstar Fish
Jan 14, 2004
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#2
the difference is the compatability with all the creatures on a reef, there a crabs, shrimp, worms, pods, corals, ect...that are sensitive to certain "Fish only" fish, i.e. these fish tend to pick/eat/disturb reef inhabitants and there fore are not reef safe. Reef safe fish do not bother for the most part the inhabitants of the reef aquarium. Yes you can have clown fish with out a anemone sybiotic host, should not be a problem at all, infact some clowns wont even take to an anemone if you try
 

dbacksrat

Superstar Fish
Jun 3, 2003
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#3
fish only is usually having a larger tank with more aggressive fish that would not be safe in a reef system (like groupers, larger angels, larger triggers, puffers, lions, eels, etc)
reef systems contain a few select "reef safe" fish, usually some inverts (hermit crabs, shrimp, snails, etc), and coral
 

S.Reef

Superstar Fish
Dec 1, 2003
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#5
Umm...for a fish only you can use live sand and rock. Some of the organisms may be consumed by the fish, but it will be beneficial to have it. For a grouper lionfish and eel, make sure the tank is at least 50+gallons depending on the species.