P.S. the "stitches" are their sensory organs/lateral line. Since they have no eardrums, tongue or moveable eyelids (and their eyes are on top of their heads) they use their franken-stitches to sense changes in the water around them.

Pretty cool! You can see them really well on my guy since he's albino.
Oh! and here's another picture of his absolutely male cloaca: (Kind of slightly protrude-y but not as much as the female in the first pic)