But every family has a black sheep. Pipefish, the lesser-known, straight-bodied cousins of the common seahorse, aren't interested in your outdated notions of monogamy. As with seahorses ...

A new study has found that pipefish, close cousin to the seahorse and sea dragon, choose which of the brood survives, on the basis of the mother's attractiveness. Male pipefish carry developing ...

But, for three animals, the tables are turned. Male seahorses, pipefish, and sea dragons are the ones who get pregnant and give birth to their young. So how do they do it? When it comes to ...

When a pipefish dad gets pregnant, his brood pouch delivers a surprisingly meager amount of oxygen to the embryos developing inside. Broad-nosed pipefish (Syngnathus typhle) swimming in 100 ...

Pipefish, like seahorses and a few other related fishes, are unusual in that it’s the male that gets pregnant. The female deposits eggs in a pouch in the male’s body, where they are fertilized ...

Male pipefish not only carry fertilized eggs — like their relatives seahorses; they also absorb nutrients from them, essentially cannibalizing their offspring. Broad-nosed pipefish swim ...

After mating, female seahorses and pipefish lay their eggs into a special pouch in the male’s belly and he carries the developing babies to term. They may seem like a shoe-in for a Dad-of-the ...

The critically endangered estuarine pipefish is known to inhabit only two estuaries on the eastern coast of South Africa. Recent studies are uncovering how the health of its estuarine habitat ...

In the world of pipefish, which are cousins of sea horses, sexual selection may reverse in the most dramatic way yet recorded. Biologists have most often talked about sexual selection as a force ...