well i had posted a thread on this topic some monthsd back
heres a response i got from user nubria6969 that id like to share with you though in my opinion ur fhs are female judging from their body shape
Spots on the dorsal fin is not a reliable way to tell if you have a female.Yes alot of females will have a dark spot or spots but alot of males have spots too.
some of my males with spots on their dorsal fins