How to differentiate between Fertilized VS Unfertilized Goldfish Eggs?
If you are wondering how to
differentiate between Fertilized VS Unfertilized Goldfish eggs, and what to do
if you spot many Goldfish eggs in your aquarium, then this post is for you.
Fertilized VS Unfertilized Goldfish Eggs:
Goldfish eggs will look white to
yellow / orange bubbles in the aquarium, & their colour is based on whether
they are fertilized (orange / yellow) or unfertilized (white).
Fertilized Goldfish eggs are
yellow in colour with a little black dot at the top of one end. A crescent
shape forms around this black spot when the eggs mature. The crescent shape is
the spinal cord of the developing fry.
4 to 7 days are required to hatch
Goldfish eggs, & unfertilized goldfish eggs will appear white or clear.
If you are looking forward to
hatching eggs, then it is recommended to shift them to a separate aquarium for
safety. If you leave them in the parent aquarium, then it is possible that the
eggs would be consumed by other fish.
During the egg hatching process,
the egg will not increase in size. Therefore, when the egg hatches, the baby
will almost have the same size as its egg.
How to know when your Goldfish are going to deposit Eggs?
If you want to know when your
Goldfish are going to deposit eggs, then it is recommended to notice a few
signs added below:
Your Goldfish will show different
activity levels just before depositing eggs. Your Goldfish will be more
restless & their activity level will increase. They will have different
eating behaviour like they will show less interest in eating or won’t accept
food overall.
Lastly, aquarists can see
specific breeding behaviours in Goldfish like chasing, nipping & building a
bubble nest.
Upon seeing these signs, it is
recommended to plan in advance what you are going to do with your Goldfish
eggs. You can either choose to hatch eggs or allow other Goldfish to eat them
as they are a high source of protein. If you plan to hatch eggs, then it is
recommended to setup a fry tank in advance where you can later shift Goldfish
eggs. Or just leave Goldfish eggs in the parent aquarium where other fish will
eat these protein rich eggs.
How long does it take to hatch Goldfish eggs?
The hatch time of Goldfish eggs
is b/w 4 to 7 days. If your Goldfish eggs remain unhatched after a 7 days
period, then it means that the eggs are not fertilized. Male Goldfish must
fertilize eggs otherwise they won’t develop babies. The unfertilized Goldfish
eggs will look white or clear. If the unfertilized eggs are not eaten, then
they should be removed from the aquarium.
Female Goldfish can deposit up to
1000 eggs in one batch, multiple times a week. It is normal for the eggs to
become unfertilized. Therefore, if some of the eggs do not hatch, then you
should not worry.
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