The final reason why your Oscar fish might change color is due to its own health or due to the water conditions. Oscar fish change color mostly as a result of natural aging as they grow older the Oscars typically present faded colors. Why do Oscar fish change colors

Generally speaking a healthy oscar fish will display fairly bright colors whereas an oscar that is ill will usually be much paler in comparison.

Oscar fish However discoloration may also occur once the oscar is under stress mainly when the temperature ph and toxins are outside the desired range. When it comes to oscars the main reason of color change is the color of substrate. When the substrate color is dark they have more dark colors and vise versa. So oscar are more sensitive to tank environment or surrounding. They react according them.

No oscar fish can be quite aggressive and will most likely eat the goldfish if the oscar fish is a big enough size. Why do oscars change colors Oscar fisg hers change colour indicating that they

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