Fish Market 
To dream about visiting a fish market indicates that there will be capability and satisfaction in your future.
To dream about decaying fish in a market indicates that bad news will be disguised as pleasure and joy.
Flying Fish
To dream about a flying fish suggests that you feel unencumbered by your emotions and that you are unrestrained.
Fishing Rod
To dream about a fishing rod suggests the journey to reveal your subconscious mind. You are ready to deal with feelings and situations that have been buried.
Angling
To dream of angling is a sign of prosperity to come.
Harpoon
To dream of wielding a harpoon symbolizes strength and power of will. You have the drive to conquer the big problem you are facing in your life, no matter how long it takes. Dreaming of being struck by a harpoon indicates that you feel hurt by unexpected consequences from your past.
Sandwich
To dream of a sandwich indicates that you are harboring feelings of frustration and stress towards some aspect in your life. It can also represent your talent for multitasking. In some situations, a sandwich in your dream may simply be a sandwich.
To see or eat a fish sandwich denotes an inner struggle between faith and reason.
Starfish
To dream of a starfish indicates that you need to revive yourself spiritually and emotionally. It may also mean that you need to assess a situation thoroughly before you come to a conclusion.
Swimming
To dream that you are swimming implies that you are entering a period of self-discovery and personal growth. Perhaps you need assistance with matters pertaining to your feelings. This is a normal dream for people who are seeking professional emotional healing.
To dream that you are swimming underwater indicates that you feel overwhelmed by your emotions. Perhaps you are pushing yourself too hard to confront these issues.
Anecdote
To dream that you are telling an anecdote indicates that you are satisfied with light conversations rather than those that are too in depth or those that require much investigation.
To hear an anecdote in your dream implies that you will find yourself in the company of those who are entertaining and fun.
Aquarium
To see an aquarium in your dream indicates that you are aware of certain feelings that you possess but haven't been able to deal with. This may include needs, wants, and fantasies related to sex. Alternately, it may imply that you are at a stagnant point in your life and are confused as to which path to follow. It may also suggest that you are overly stressed and need to slow down, take a deep breath, and try to focus.
Goldfish
To dream about goldfish predicts that you will come into prosperity and many wonderful and thrilling escapades.
Mackerel
To dream of a mackerel fish implies strength and courage. It also indicates the ability to know what you want and to achieve it.
A school of mackerel indicates the possibility of huge success in relation to a creative venture.
A lone female mackerel is a message to take note of one particularly exciting idea at this time.
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.