Dream Symbols and Analysis
by DreamForth
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.
Gypsy Dream Dictionary
by Raymond Buckland
To dream of fishing for mackerel is a sure sign that you will be traveling in the near future.
To dream of eating mackerel signifies that someone will be coming to visit you.
Mystic Dream Book
by Internet Archive - Anonymous
See FISH.