how to tell if a fish is male or female

how to tell if a fish is male or female (sexing koi)

Koi fish color meaning in koi fish tattoo what you need to know 2019how to tell if a fish is male or female (sexing koi) How can you tell if a koi fish is male or female?   A mature male koi will have a slender looking body, while a female koi will have a […]

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