One glow-in-the-dark animal is the swell shark. Swell sharks are shy shark species that aren't dangerous. Swell sharks are bioflourescent, which is why they glow. But that's not the only trick ...

Aquarium staff in Louisiana have been left baffled by a miraculous 'virgin birth' in their shark exhibit. 'Yoko' the young swell shark (Cephaloscyllium ventriosum) was born in an all-female tank ...

This shark gets its name from an unusual behavior it displays when threatened by a predator. When threatened, the swell shark swallows vast amounts of seawater, which causes its belly to swell and ...

The clicking behaviour has been described in the new study as the first documented case of a shark deliberately making sound ...

These swell sharks, which likely represent a new species, were collected during the deep sea portion of the California Academy of Sciences' 2011 Philippine Biodiversity Expedition from a depth of ...

Parthogenesis is nothing new in the animal kingdom: growth of embryos without fertilization has been described in every vertebrate class besides mammals, including in a handful of shark species. But ...

The pufferfish lives quite happily without a working version of the organ. Ferreira was able to get live sargassum fish and swell sharks into the lab relatively easily. But when the pandemic hit a ...