The meaning of this dream depends entirely on what a "black" baby might represent to the dreamer, which would be rather different depending on the dreamer's own ethnicity. If the dreamer is not pregnant, any dream of pregnancy or a baby tends to refer to a project, idea or task that the dreamer is bringing into being.
It is quite simple. It means that a woman is giving birth to a healthy male baby.
a cow
What does it mean when you dream your having a baby girl
It means that she is giving birth to a foal, or baby horse.
It means that a cow is giving birth to a newborn baby calf.
It could mean that you have some big project or goal (the baby) and you fear that you might fail (cannot breath).
Teratophobia is a fear of monsters. The term is also used to mean a fear of giving birth to deformed baby.
that you dont like his girlfriend
Basically, there are two ways for animals to make new animals. Either by laying eggs (like birds) or by giving birth. Giving birth means the mother producing a baby version of herself, like humans.
no babys cant fit on a phone as it is too small
No, they will not turn mean after giving birth, they will be as friendly as ever they don't even care if you touch their baby if they are just born (witch you can do).
Many male guppies have 'black spots' but if by "black spot" you mean "gravid spot" then no, a male guppy can not be 'gravid' because gravid is the equivalent of "pregnant" and male guppies can not get pregnant.