Darth, it sounds like you have a cool seahorse tank! Mine is a 42 gallon hex. I have 2 peppermint shrimp, a horseshoe crab (until he gets too big), 3 hermit crabs, 8 various snails, a flamed scallop, 2 feather dusters, 1 yellow sea cucumber, and 2 fabulous pairs of h. erectus. :jumping...