The Demasoni , or Pseudotropheus demasoni , is a species of cichlid endemic to Lake Malawi in Africa. It is popular among aquarists due to its vibrant coloration and relatively small size.
 Features :
 Color : The Demasoni is known for its vibrant colors, usually with a deep blue body and black stripes. Males are often more colorful than females.
 Size : It usually reaches a size of about 8 to 10 cm when adult.
 Behavior : This is a territorial fish that can be aggressive, especially during breeding. They often live in groups, but it is essential to monitor interactions to avoid conflicts.