Quote:
Originally posted by mojoreason
i read aquarists can almost never keep moorish idols for long due to their dietary requirements ... and there never being enough in your tank system to suffice.
my $.02
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This is true for ALL wild caught fish, regardless of the species. The key to the success for any fish (or invertebrate) is finding suitable substitutes for their natural food as their natural food will rarely, if ever, be present in an aquarium. It just happens that suitable substitutes are available for a large number of common species - although people can still fail to meet the needs of even some more common fish such as by feeding them with inappropriate foods or feeding them too infrequently.
Again, this is potentially true for all wild caught species and applies somewhat to even captive bred ones (because their food is wild collected).
If you genuinely believe that depletion of wild stocks is a problem for moorish idols, it will be a problem for all other species and so you'd be best not having an aquarium at all.