An ecosystem in which black molly fishes helping plants grow by its bio waste ca…

An ecosystem in which black molly fishes helping plants grow by its bio waste called nitrate which is absorbed by plants. It's called Aquaponics; when done in mini-scale called miniponics or mini aquaponics

Surface aquarium plants are particularly useful: They leach nitrates (fish waste…

Surface aquarium plants are particularly useful: They leach nitrates (fish waste) directly from the water column via their beautiful trailing root systems, and they provide a sense of safety and shelter for your fish. But beware placing them in aquariums with a H.O.B. filter, as the strong downward current created by the water flow will continually drag surface plants down, damaging their roots and eventually killing them.