Dream about sea crab is a symbol for your close-knit relationships and the security and comfort they provide. You are preparing yourself for growth and change. You need to cultivate a new skill or nurture your spiritual and personal growth. This dream is a metaphor for joy and love. You are surrounded by strong relationships and solid friendships.
Sea crab dream is a premonition for peace of mind and satisfaction in your professional and personal life. You generally go with the flow of things. The relationship is moving to a new level to which you are expressing some anxiety and fears about the changing situation. The dream is a symbol for something in your life that is draining the energy and vigor out of you. You are feeling shortchanged.
If you dreamt about sea crab:
Whatever their normal behavior pattern, they seem determined to be the life and soul of the party. So perhaps for their sake, you had better arrange an outing in which a wider audience can appreciate their comic talents. Later you can have the last and best laugh together, which will really be fun!