I so want to make one of these ecosystems for my home. Here is a video on how to do.  
 
Caring for pets has a lengthy list of physical and mental health benefits, and studies show that folks who aren’t quite ready to commit to a rambunctious pup can find similar solace in a marine pal. The aquatic enthusiast behind Foo the Flowerhorn recently released a video series documenting the DIY building process for a home ecosystem, in addition to capturing the organisms’ intrepid natures. Conveying thoughtful methods for balancing inter-species relationships, the tutorial is also an example of aquascaping, or the art of aquarium design (dive into the world of competitive aquascaping here).
 
 
Dive Into the Art of Aquascaping With a Volcanic Aquarium That Fits on a Desk | Colossal (thisiscolossal.com)