Snake 
To dream of seeing or being bitten by a snake implies that you are afraid and anxious about some issue in your life. Perhaps this dream is suggesting that you should be aware of a pending situation that may cause you harm.
The snake can also represent the male genitals and may be warning you against entering into a certain sexual encounter. The snake can also represent someone in your life who is heartless, cruel, and treacherous. On a more optimistic note, the snake symbolizes intelligence, change, and understanding. It implies revitalization of the spirit and alterations in life.
Snack
To dream that you're enjoying a snack indicates anticipation of small pleasures in your waking life. To be hungry and in search of a snack implies that you may be about to look at different avenues for satisfy yourself, such as a new hobby.
Dreaming of feeling guilty for indulging in a sweet snack could be a message from your unconscious to avoid an extramarital flirtation or affair.
Snails
To dream of a snail implies that you are easily riled up or upset. You shouldn't allow yourself to get annoyed so easily. You want to express your individuality, but something seems to be holding you back. It may also indicate that you are slowly reaching your objectives. Travel at a speed that feels comfortable for you.
Viper
To dream of a viper is an indication that you are concerned that your peaceful life may soon be disrupted.
Cobra
To dream of a cobra indicates imagination, inspiration, and innovative ideas. You are being mesmerized or blindsided by a certain issue or person.
Python
To dream of a python should be treated as a warning for imminent danger, wrongdoing, and overt sexuality. Then again, it may also symbolize your willpower.
To see a python suffocate and kill its prey is a metaphor for feeling emotionally choked over stressful situations and worries in your waking life.
Reptile
To dream that you are being attacked by a reptile warns of a grave concern in your future. It further suggests a friend who will turn against and discredit you.
To dream you are safely handling a reptile symbolizes your permissiveness in the face of sarcasm and demeaning jokes from your friends. It further suggests that this bitter breakdown will lead to subsequent renewal of friendship.
To dream that you are bitten by a reptile signifies the emotional depression and anguish from losing your beloved to a rival.
To dream that a dead reptile comes back to life symbolizes an old problem whose resolution turned out to be temporary, but later became the solution.
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