This is mainly a question of your personal preferences. The points to be considered are that ...

Bitch (rough, red)
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Bitch (rough, black)
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Females are in general a bit smaller in size and are easier to housebreak, they are ready to mate only twice a year, they tend to show more affection and are less interested in fights. .
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Dog (rough, red)
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Dog (rough, black)
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Males are more lion-like in appearance and have a tendancy to go looking for mates all year round;
In any case, a well-socialized and trained pet,
no matter the gender, will be a loyal companion !!!
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