Gold fish do not technically turn white, but lose color pigmentation when not exposed to enough natural sunlight. The cells responsible for maintaining the bright coloring of goldfish respond to light levels. Fish kept indoors in dark environments fade in color over time because their pigment cells are no longer chemically reacting to bright light.Know More
Goldfish are known for their many shades of bright orange coloring. Some goldfish are speckled with other colors. In their natural habitat, they are constantly exposed to healthy doses of natural light. Sunlight interacts with the body chemistry of the goldfish to bring out their bright coloring.
Placing indoor goldfish in a fish tank, with artificial lighting that mimics the rays of the sun, helps them keep their golden color.Learn more about Aquatic Pets
The purple betta is a popular fighting fish sought by aquarium enthusiasts for its striking color. Most attempts by breeders to create the color line consistently have resulted in multicolored fish of various tints and shades with deviations in the body and fins, not a uniform true purple.Full Answer >
Tiger oscar cichlids are a color form of the oscar that are clad in a blue-black ground color on top of which sit orange, red or pink markings. Known to scientists as Astronotus ocellatus, tiger oscar cichlids are popular aquarium fish that hail from the Amazon River basin in South America. Like most other cichlids, oscars are carnivores that consume virtually any creature they can safely catch and ingest.Full Answer >
Petco's Betta Care Sheet lists loss of color or appetite, spots or fungus on the body or mouth, listlessness, and labored breathing as major red flags to watch out for. The care sheet suggests testing the water quality of the betta’s environment if any of these symptoms are present.Full Answer >
Golden gouramis are a color variety of Trichopodus trichopterus, or the three-spot gourami. They are medium-sized labyrinth fish characterized by two spots on the sides of their bodies, with their eye considered the third spot in their name. Three-spot gouramis also come in the color varieties blue and opaline.Full Answer >