Is this a male or female mandarin?

[cosmith71]

 

[red reef]

male, the spike on the top fin is how you can tell. the female has a rounder top fin.

 

[Downbeach]

Male

 

[cosmith71]

Thanks, guys. All this time I thought it was a female. I just yesterday noticed that top spike and began to wonder.

 

[big blue]

Had mine for over a year before I started to pop that thing up. Usually When he gets excited or I scrape all the coraline off the glass and he sees himself.

 

[4FordFamily]

Male