marble lungfish

Goonch Catfish 2 inch- $65 Aimara Wolf 6 inch - $500 Piraya Piranha- 2.5-3 in -- $100, 3.5-4 in-- $125, 4.5- 5 in -- $200 Boesemani Hybrid Ray 5 inch- $400 Vittatus Tigerfish 4.5-5 inch- $200 Grade A Flowerhorns 4 inch- $125 Common Wolf 5 inch- $85 Cuban cichlids (Mixed size 2-4 inch) - $50...

Thinking of getting one, love the patterns. Never saw any that smaller than 15" in lfs. What's growth rate on these fish? How well they do with other tank mates?