hmmmm im not shore what color they will be i had 3 females in there and i changed the male a night befor i saw them so i guess it could be ether male as well .............i have a qestion i lowed the water in the tank to get them to breed can i now fill it back up with out killing them ??cuz i dont want to clean the tank out cuz there only just the size u can see i think it will be okay for a time but probly would be better if i could at least add some clean water..................any help on idears of best careing for them too is good cuz i have only done this one time befor ................i have fry food just incase u were wondering.........................there so cute