This is a black Ranchu egg that wa not fertilized. The saprolignia  
hyphae can be seen growing from the egg. http://www.wikipedia.org/wiki/Saprolegnia
Reviewing guanine mutants in goldfish. From goldfish varieties and 
genetics: handbook for breeders by Joseph smart. @rare_goldfish has a nice 
batch of oranda fry with interesting coloration. #goldfishbreeders
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via Instagram https://www.instagram.com/p/B9Is2UrJNKI/
5 years ago
 

 
 
 
 
 
 
 
