'Walking Sharks' Lay Eggs without Breaking a Sweat

'Walking sharks' lay eggs without breaking a sweat

Being pregnant and giving birth is hard work for any species—but epaulette sharks (Hemiscyllium ocellatum) might disagree.  These fish and a number of other species are known as “walking sharks” for their ability to traverse both the seafloor and land with their fins. But as of now, that’s no longer the coolest thing about this rather adorable predator. Epaulette sharks’ energy use didn’t change during their reproduction cycle, as described in a…

Epaulette sharks can make and lay eggs without spending extra energy

These "walking" epaulette sharks can make and lay eggs without spending extra energy, scientists say. Known best for their ability to "walk" on the sand and coral where they usually live, new research shows epaulette sharks could also defy assumptions in other ways.