not the type of question youde expect from me and it might sound stupid but here goes...
so i know redtail shark have white tips on their dorsal fin, but are they suppose to have them on all there fins except the tail? mine has all its black fins with edges in white. is this common? some sort of determination of sex?

so i know redtail shark have white tips on their dorsal fin, but are they suppose to have them on all there fins except the tail? mine has all its black fins with edges in white. is this common? some sort of determination of sex?
