i am going to get starfish but i want to know how much they cost and what other fish they can be mixed with?

i am very experienced with fish i own a marine tank but ive never had starfish before can someone tell me how much starfish cost and what other species of fish they can be mixed with can they be mixed with sea horses?
Answers:
Rapidly growing in popularity, reef tanks are actually fairly easy to maintain, but often much more expensive than traditional fish-only systems. Live corals and other invertebrates containing symbiotic algae require much more light than fish or other invertebrates do - a lighting system for a 75 gallon aquarium often costs several hundred to a thousand dollars. In addition, that same tank might incorporate 150 pounds of "live rock" costing $3 to $10 per pound. What sort of filtration - if any - is still a matter of great debate among reef "experts", but a good protein skimmer and a number of "power head" water pumps seem to work pretty well. Generally, many invertebrates, including corals, polyps, shrimp, starfish, clams and so on can be kept (although compatibility is still a concern), but only a few fish. Since it is very difficult to treat fish disease outbreaks in a mixed tank, the best way to avoid epidemics is to keep the fish uncrowded - perhaps only one small fish per ten or twenty gallons. Finally, since live corals and other invertebrates extract calcium, strontium, iodine and other elements directly from the water, routine testing and replacement is recommended.

Mixed Fish and Invertebrate Setup. This attempt to have the best of the two previous systems does result in a setup of intermediate cost and complexity, but is perhaps the trickiest to master. Again, fish disease prevention and treatment are a big concern, so it's best to keep the fish load light. The tank can hold quite a number of crabs, shrimps, and starfish, however, and perhaps even a low-light coral or two. Testing and replacement of calcium and other elements is not required in this case, but water changes will probably need to be more frequent than in the reef setup.

source:http://www.bestfish.com/tips/112698.html.

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Any fish - they don't bother the fish and fish don't bother them.

Cost varies depending on the store and supplies they are able to obtain.

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Ive had my crinkley starfish for years!

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is it a new tank you ar setting up

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拢10 i got 1