I Just bought a male and female kribensis and after putting them in the tank the female keeps chasing the male. but occasionaly the female will puff up and blow her belly out in front of the male.
the male is about 7.5 cm
the female about 7.0 cm
what should i do.
http://www.fishlore.com/profile-kribensiscichlid.htm
Check out the link above and scroll down to the Breeding/mating section. I haven't kept this species before but from what I've read on that link, your female may be initiating mating. Best of luck! I'm sure you'll get some more responses.