sexing apistogramma

  1. Z

    Apistogramma Agassizii male or female?

    I am wondering whether this fish is male or female. They are around an inch in length, and I believe I've seen them colour yellow at points; however, I don't have an image of this. They have a faint black line through her tail fin; however, they also have black on their ventral fin. On their...
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