Hello.never been on this site before but mabe someone can help.ive had a salt water tank set up for 6 months now.it hold 140 ltrs.it a community tank of chromis.bennys.shrimp small grabs and a pair of dwarf fuzzy lionfish.lionfish put into tank 3 weeks apart and living happy.that happily in fact they are breeding and i now have a small container in tank holding several hundred new born fry.my question is .how do i keep them alive and how quickley do they grow.