I would like a HUGE tank for breeding seahorses/dragons in, well... just a little 10ft square tank would me nice, all set up with the filtration and tidal and all the right algaes growing etc. Spend time working with some of the rarer species, terying to recreate their habitats and breed them to release further down the line.
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Would also like a REALLY HUGE tank, about 20ft long x 10ft wide x 15ft high with a breeding group of top notch Super Red Arowanas and maybe a breeding group of Leopoldi stingrays (if not... id just need another tank!!)...
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Would also love a proper adult Tiger Shovelnose!! Oooohhhhh..... *drool* (i shouldnt i know... but if i had the space and money?... i so would!)
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And to counteract all this damaging wishfull thinking, I would have all of these tanks in seperate rooms as display tanks for limited public viewing (depending if fish are breeding etc) but these would all be behind the scenes of the most epic 'rescue tank ever'. Big enough to take on all the oscars and plecs and big cats and everything i couldfit in there!! Like... a 40ft long glass 'room' LOL.