50 gal may be small for a grown yellow- Liveaquaria.com suggests 100 gal minimum for a yellow tang. Tank size for tangs is often a contentious issue so you will get some differing opinions on this board. Tangs are active fish that swim a lot and can grow large (though yellows are among the smaller of the species). If your tank is too small it will lead to stress and a shorter life span. Water quality can also become a problem as these fish eat (and then poop) a lot.
Tangs won't pick at soft corals though- if they are picking at rocks it is for algae.
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03-05-2007, 06:41 PM
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