Looks male from far away, but the shot is really too far from the fish to accurately be certain.
A close up with emphasis on the area of the lower jaw would really help.
Still looks male, but those photos are still quite far away, so you need to get a head shot, one that shows whether or not there is blue color on the lower jaw. That is the most obvious way to tell sexual differences in JDs.
Though this is not a JD, it would be the type of head shot that is large and detailed enough to help others actually distinguish whats going on.
or like this