I  have an aquarium in my living room
What type of animals do you have in the acquarium?  Fish, snakes, etc?
Fish ,its just a moderate aquarium. Not a full aquatic life like the ocean...Lol!
I'm guessing they are more like pets, then, than food for you!  Any brightly colored ones?
Star fish,golden fish, tilapia are the pets like you mentioned
We have tilapia farms here, but that is to eat them.  Is yours some other type of tilapia?
No ,they are familiar ones like the fish pond,some even use its as an aquarium.
, tilapia have been established into new aquatic habitats via aquarists or ornamental fish farmers.
Because tilapia are generally large, fast growing, breed rapidly, and can tolerate a wide variety of water conditions (even marine environments), tilapia establish themselves into new habitats rather quickly. In doing so, tilapia often out compete native fish, create turbidity in rivers by digging, and can reduce available sun light for aquatic plants. Tilapia greatly impact and alter local habitat. Many environmental problems wrought by tilapia have been observed in different
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They are generally active swimmers, occupying the top half of a tank and eat just about any type of aquarium food. They will not, however, generally eat plants or algae.
Although boisterous and liable to chase each other and other fish, they are good community fish and do not generally attack each other or other fish, although they occasionally nip fins, and like most fish, eat eggs and any fish small enough to fit into their mouths.
These fish are easily stressed by flowing water and