I don't think you could keep them for life in a 2 foot wide tank. Retics have such huge tails that they need a tank at least 3 foot wide. The length is good though.
Alex
wife says i don't know, maybe, we are moving to a different state 4 hour drive away. so i may start from scratch. i'd hate to though i love these rays. if i do i will look into a 150-180, no more though, my wife hates my tank now, stupid women