Now I'm really confused about tigger pods. I don't have any experience culturing them (yet), but the info you've provided conflicts with an article in the Sept/Oct 2011 issue of CORAL titled "taming a marine tiger: Tigriopus californicus". In the article the author states "... they swim in the open water instead of hugging the substrate, which makes them a universal food." and "Tigriopus californicus is particularly good for feeding the tiny Florida Dwarf Seahorse...". The last quote is what re-sparked my interest in getting dwarfs again. The article also claims that raising Tigger Pods requires little more than a jar of saltwater. I don't know what to think now...
If I decide to get some dwarves I plan to go captive bred if at all possible. Ideally I'd like to get them from someone local but that may not be an option.