If you are wanting to have fish as pets, goldfish are the best recommendations to start with, because they are small and do not require much maintenance to live. There are male and female goldfish and there are many aspects of each which a person can use to tell them apart. One way is through their boy.
Female goldfish normally have a body that is more round. Female goldfish are also more thicker than male goldfish. Another difference between them is in regards to the ridgeline of a male. If the goldfish has a thick line in the middle of their body, then they are a male goldfish.
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