Need help on breeding Bicolor Blennies?

They lay eggs on a shell or inside a small secure formed rock hole. I find if you have 2 males and 1 female the female will court one(usually the largest) male, and if she doesnt beat him up, he will fertilize her eggs. The are spread fairly the same as a clown or damsel, but a little thinner-not so crammed. They have fairly large fry, which can start on a combo of rotifers/ newly hatched brine shrimp. keep the water clean, and change some daily. The young will cling to the walls of the tank.
 
Yes, look at the vent, there is a couple fin rays on the very front of the anal fin, and on the male the swollen area of the ray is not as round and large as the female. They must be sexually mature of course. Females get bigger it seems. Males seem to get more beat up looking. Also many male blennies of the comb tooth type, have a blue or green spot on the front of the dorsal fin. If the type you have has the spot, thats easy.
 
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