Pearl GouramiOne of Discus. ae's favorite companions, a great addition with Stendker discus and aquarium plants. The pearl gourami is an easy and peaceful to keep species which make an excellent tank mate suited with other similarly tempered fish, accepts dry food and frozen foods and males will display a vibrant orange throat in an ideal environment. Fish Size Guide: The 'Maximum Size' outlined below is the length this fish can reach as a full grown adult. For