To see a snake in a dream refers to a deceitful enemy. To see that the snake is at your home in your dream means that there is an enemy in your house
To see a black snake in your dream symbolizes a danger for you
Black snakes are more harmful than big or long snakes
To dream that you are bitten by a black snake indicates that you will hear good news. If you are bitten by a white snake in your dream, it refers to money which you will earn.