Yes, you can have same sex pairs. The gold may also be a female.
She's not too small to spawn, btw, depending on her age. I've had tank-bred severum females become sexually mature as early as 6 months old. One of my Heros severus pairs started spawning at about 4" and producing fry. Luckily they continued growing and they're now about 8".
She's not too small to spawn, btw, depending on her age. I've had tank-bred severum females become sexually mature as early as 6 months old. One of my Heros severus pairs started spawning at about 4" and producing fry. Luckily they continued growing and they're now about 8".