A flounder in a dream signifies being caught up in a difficult situation, or an unknown problem that is hard to solve. You dreamed you were struggling to get out of the water, only to realize you were in deep water with flounders.
Dreaming about a flounder could represent feelings of anxiety, confusion, and difficulty to make decisions. They can be caused by social pressures and uncertainty about the future.
Floundering in a dream signify that you have failed so much in life that you have no choice but to scrape the bottom. If someone is trying to sell a product or service, but no one wants to buy it, then the person is said to be floundering. They are not able to make any money from their work and may give up soon.