heres some more info
Males are larger with pointed anal, dorsal, and caudal fins. The female is brighter in color and during the spawning season, will develop a deep pink-red to purple belly coloration.
It’s colors are bright and vibrant, especially when the male is ready for breeding. (which is frankly, most of the time) The Krib typically has a bright red line at the top of it’s dorsal fin, that has a sold black strip just below it. The body is stripped with black and white/cream. Tails tend to be yellow on top and purple or white on the bottom. Females have a very purple body and pelvic fins that help to give the impression of a much larger belly than they really have.