Skeleton 
To dream of seeing a skeleton implies that a task you are working on hasn't been completed. You may still be trying to think of ideas to finish this task. It may imply that you need to be more assertive and should remain steady in your beliefs and opinions.
To see someone depicted as a skeleton indicates that a friendship or bond with someone no longer exists.
Vitamins
To dream of taking or seeing vitamins symbolizes the weak nature of your self-control. You must strive to become stronger in your convictions. Conversely, vitamins may indicate that you have made some poor dietary decisions and your body is lacking in some important nutrients. Consider changing your diet to include more healthy food choices.
Immortal
To dream of being immortal connotes longevity, permanence, or fearlessness. You believe that you are stronger and mightier than others. Alternatively, it signifies unwillingness in starting anew or resistance in redirecting your plans. You are reluctant in embracing change.
Mortuary
To see or dream that you are in a mortuary implies that you are neglecting to use your skills, and are therefore not working to your full potential. It may also symbolize certain negative attributes or qualities that you should change.
Body Bag
Dreaming of a body bag means you are likely feeling helpless or disconnected from your life. You may feel as though you are observing your life from above.
Alternatively, a body bag in your dream symbolizes sadness and grief being zipped and carried away, a symbol of you moving forward with your life. Finally, a body bag could also suggest as your subconscious preparing for death in some way if you're terminally ill or of an elderly person.
Pet Store
To dream of a pet store signifies your accountability and responsibility in a current task at hand.
To dream of buying pet represents a desire to inculcate oneself with the qualities of that pet.
Sea Horse
To dream of a sea horse signifies the strength of your instinct and intuition. It may also symbolize a change in perception or attitude.
If the sea horse is invisible, then it indicates that you need to face your personal concerns rather than trying to evade them. Perhaps you need to adopt a fresh approach to a situation.
Terrarium
To dream about a terrarium indicates that you are comforting yourself and hiding aspects of your personality from others. The terrarium might also represent virility, inspiration, and fresh thoughts.
Manta Ray
In a dream, the manta ray symbolizes a deep connection to the subconscious. The manta ray lives near the bottom of the ocean, hiding itself in the sand. If a manta ray reveals itself to you in a dream, you are being exposed to a hidden secret within your mind. The manta ray is graceful and effortlessly glides through your subconscious. The manta ray makes an excellent guide to knowing yourself better.
Afterlife
Dreaming about an afterlife suggests a desire to know what your future holds. This doesn't necessarily have to mean after death, but can also be applied to the present.
Alternatively, dreams of an afterlife can be deeply religious or an indication that you have recently changed your beliefs.
An afterlife may also symbolize a recent loss of someone close in your waking life.