See the chart
There are Four Planets in Pisces.
Jupiter, Moon, Mars, and Ketu.
Three yogas in Pisces.
Jupiter and Moon create Guru Chandra Yoga
Jupiter and Mars create Guru Mangala Yoga
Moon and Mars create Chandra Mangala Yoga
In addition-
Rahu creates Sambat Yoga with Jupiter.
Three Yogas by Three Planets is a different one.
