Male pregnancy is a rare phenomenon in the animal kingdom, with just three vertebrates exhibiting this behavior. The seahorse ...

A trans man discovered he was five-months pregnant at a very late stage in ... but will legally register as its father, making Marco a "seahorse dad." The term denotes trans men who carry babies ...

And I wanted to be outdoors. Then I had an academic interest in the evolution of sex differences—and in seahorses only the male gets pregnant, which of course raises a lot of questions about sex ...

Thanks to diligent observers, seahorses, those enigmatic and charismatic fish, are not only being discovered in new habitats and expanded geographic ranges, they are also being found at new ocean ...