sexing apistogramma

I am wondering whether this fish is male or female. I've named them Chopstick due to their pectoral fins being a creme colour with two pale dark lines through them, like a set of chopsticks. Chopstick has some blue markings on their face and an extremely thin orange band on the very top of...

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...