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.
Hawthorn
To dream of hawthorn berries indicates an abundance of energy and potential within you that is ready to be tapped. Dreaming of the hawthorn indicates the blossoming of fertility and creativity in your life.
Flamingo
A dream of yourself belonging to a group of flamingos or live among them means that you are feeling very cooperative along with your sense of community.
Seeing a flamingo or a picture of one in your dream means that you are spending too much time on your own appearance and you need to reassess your current level of self involvement.
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.
Jellyfish
To dream of a jellyfish signifies unpleasant unconscious memories from the past that are now becoming evident. This may represent strong feelings of aggression in certain aspects of your waking life. Additionally, this indicates feelings of unworthiness and inadequacy. It may be due to some situations in the past where you failed to adhere to your principles and beliefs.
Earthworm
To dream of an earthworm suggests the beginning of a creative project. An earthworm is indication of surplus energy that may now be put to productive use with fruitful results. A number of earthworms in a dream speak of creative collaborations. To dream of earthworms coming to the Earth's surface indicates that a break to refuel may be required before continuing a current project. Dreaming of eating earthworms or dried earthworms on the ground may indicate literal dehydration and probable emotional exhaustion.