Tiger Barbs - tankmates and pregnant?

[loushy]

hi there all
i have 2 tigger barbs and sthey are doing well with the other fish i have but i want to know which kind os fish they could be aggressive towards and i also think that the female is pregnant but im not sure how can i be sure and if she really is WHAT SHOUD I DO ????

 

[Menagerie]

[center:64d8118958] Welcome to AA, loushy!! [/center:64d8118958]
Tiger barbs cannot be pregnant, but the females can be gravid. A gravid female fills up with eggs and will release them when the time is right.
What other fish are in the tank? How large is the tank?