White one is an albino zebra of some type. Solid blue one is a Cobalt Zebra (Metriaclima callainos), spotted one is either a Labeotropheus fuelleborni or a Labeotropheus trewavasae, and the yellow one is a male Kenyi (Metriaclima lombardoi), who looks a little skinny
Albino zebra of some type. Metriaclima callainos. Zebra blotch of some type. Not a Labeotropheus as the mouth is normal. Last fish is Metriaclima lombardoi and is a male. Females are blue in colour as are juvenile males.