How can you tell if a seahorse is male or female?

How can you tell if a seahorse is male or female?

The male's anus is therefore situated above the anal fin while the genital opening of the male is located below the anal fin at the mouth of the brood pouch. In females, however, both the anus and the urogenital pore are located above the anal fin.

Are seahorses the only species where the male gives birth?

Seahorses and their close relatives, sea dragons, are the only species in which the male gets pregnant and gives birth. Male seahorses and sea dragons get pregnant and bear young—a unique adaptation in the animal kingdom. Seahorses are members of the pipefish family.

What makes a seahorse male?

Though unusual for the animal kingdom, we know that biologically male seahorses carry their young in pouch on their tail. It's the sperm and eggs that give it away. Biologically, the male sex is always that which produces smaller reproductive cells (sperm), usually adapted to be more mobile.