Fish don't change colors in accordance with pregnancy. Also, most fish do not carry their young internally (pregnancy), and release eggs which are fertilized outside.
Many fish will however become more brightly colored during times of mating or agression.
If you talk about gold fish colour then it is a common sense that it is naturally gold.
They are grey in there natural habitat but once they are taken out of water they will turn pink.
It shouldn't it should stay the same color as it always is. A gerbil should stay the same colour when it is pregnant. My friend has two adult female gerbils and they stay the same colour.
If you put a fish in a dark place the colour of the fish would gradually turn white.
Goldfish can not get pregnant they are egg layers and their eggs are fertilised externally. Never turn filters off on a fish tank unless you are cleaning them. Cycled filters are needed to remove the poisons from the water that the fish create by living/pooing etc in there.
A pregnant fish is called a TWIT
Parrot fish do not get pregnant so there is nothing to do.
there are many colour fish have
If you have too much snapper fish while you are pregnant, your baby may grow some of the uglyist features of the snapperfish. So check with your GP before eating this strange animal. However if you decide to eat snapperfish while you arenot pregnant, You may turn out to have some of the ugly snapper fish features.
Blue...
Yes...There are signs before a fish dies 1) The fish might turn out of his colour 2) He/she would hardly swim around 3) Might not eat Hope this helps!!!!!
When you hold the fish it will say what kind its status(which will say pregnant) and age