Discus Changing Sex

[Adam S]

To clarify the swordtail point (made in 2015), female swords can grow small swords and get a slightly thicked anal fin later in life. Not sure if it has to do with chemicals, but it's the dominant female(s) who get them. You probably won't see this is tanks smaller than 75 gallons.

[donnacona]

FAKE NEWS !!!!
Stu