金鱼变色的原因分析

金鱼变色的原因分析

金鱼（细节）

如果有人养过金鱼（详细）并养了很长时间，他们会发现金鱼也会变色，而且它不是简单的变色，而是完全变了颜色。你找不到原因一定很奇怪。中国科学院动物研究所鱼类学研究组的专家认为，这种现象是正常的，因为金鱼是一种长期人工培育的鲫鱼品种。身体的颜色有很多种。变色是金鱼的本能。幼金鱼表现出很大的变异性，但当它发育到一定程度时，它的颜色就会固定。然而，专家表示，并不是所有的金鱼都会有这样的变化，因为其体内的变化与饮食中的营养、生活环境（包括水温）等外部因素有关，如果外部因素不符合金鱼变色的条件，金鱼不会变色

Cause analysis of goldfish discoloration

Goldfish (details)

If anyone has raised goldfish (details) and raised it for a long time, they will find that goldfish will also discolor, and it is not simply discolored, but completely changed color. It must be strange that you can't find the reason. Experts from the Ichthyology Research Group of the Institute of Zoology of the Chinese Academy of Sciences believe that this phenomenon is normal, because goldfish is a variety of crucian carp that has been artificially cultivated for a long time. There are many kinds of body colors. Discoloration is an instinct of goldfish. Young goldfish show great variability, but when it develops to a certain extent, its color will be fixed. However, experts said that not all goldfish will have such changes, because the changes in its body are related to external factors such as nutrition in the diet, living environment (including water temperature), and if external factors do not meet the conditions for goldfish to change color, goldfish will not change color