Boesemani Rainbow GoldThis species looks most at home in a planted aquarium. It is very peaceful but can disturb smaller or slow moving fish with its rapid movements and relatively large size. Fish Size Guide: The 'Maximum Size' outlined below is the length this fish can reach as a full grown adult. For the actual size please use the select menu above. Discus. ae prefers younger stock for their better ability to adapt to new water parameters and higher tolerance against