[5] The Busok Raas cat has four color variations – blue, black, chocolate and lilac.

[clarification needed] It is protected by the local residents,[1][3] who forbid the cats from leaving the island.

[6] Usually only neutered Busok Raas cats are allowed to be taken off the island so that the purity of the breed is maintained.

[1][better source needed] Unfortunately, their breeding is deemed difficult due to local community beliefs that Busok Raas cats were only kept by nobles and ulemas.

[6] [3][7] However, several Busok Raas cats have been taken outside of Madura and can be found in Bandung, Bogor,[8] and one in Semarang.

[6] The Busok Raas cat has a more family-friendly character after breeding and refining until the 4th generation (F4).

[citation needed] The weaning period of kittens is marked very clearly, and at the age of 3 months he will do so until he is able to give birth a maximum of three times in one year.