Green Sevs

[Andy 39]

How can I tell if mt two green sevsHow are male or female?they are around 4 inches long not sure how old I have them for two months now I would like to try and breed them

 

[thereverendturtle]

At that size they should be starting to show secondary sexual characteristics. The males get longer dorsal and anal fins with long pointed at the ends. The females have shorter fins and are thicker when viewed from above.