Ghost Glass Cats, also known as Indian Ghosts, Ghost Fish, Glass Catfish, or Glass Cats, are very peaceful, and a great community fish that will give their caretakers hours of enjoyment. Ghost or glass-like in appearance, the Ghost Glass Cat loves a low light condition and is most active during dawn and dusk. As a true schooling fish, it needs other Ghost Glass Cats in the aquarium in order to survive and thrive.