In terms of the air and fire signs, we’re not saying they don’t have a chance with Pisces, just that the astrological compatibility may not be as flowing or quick to flourish. Pisces might find the air signs (Gemini, Libra, and Aquarius) too aloof and fickle, for instance, while the fire signs (Aries, Leo, and Sagittarius) might seem too brash or impulsive.