Stocking my 150L (33 gallon) Tropical tank?

silver dollars and black widows need groups of at least 5-6. a href="http://aqadvisor.com/AqAdvisor.php" rel="nofollow"http://aqadvisor.com/AqAdvisor.php/a that site is very useful and it doesn't use the outdated "one inch of fish per gallon of water" rule.