How to determine the sex of a fish using the testes and ovaries?

univerkov | November 22, 2020 | education

First, you can look at the dorsal fins: in males, they are usually long and flow when the fish swim. In females, the dorsal fins are short and do not flow when they swim.
You can also look at the shape of the tail: in males, they are very wide and long, in contrast to females.

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