I'm not a big fan of tangs with sharks or rays. As a general rule tangs tend to be disease magnets including the dreaded marine ich. So with tangs - a QT is a must have.
Personally - I think that sharks and rays do best in species tanks or elamobranch only tanks- at least for home aquaria.
Personally - I think that sharks and rays do best in species tanks or elamobranch only tanks- at least for home aquaria.