Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to ...

New research reveals walking sharks reproduction involves no extra energy use, challenging long-held beliefs about marine life.

These “walking sharks” can lay eggs without spending extra energy, rewriting what scientists thought they knew about reproduction.

Quite an advantage in today’s world.

Maybe you've seen a "mermaid's purse" while walking on the beach. Not actually an accessory for the mythical creature, these small casings are the eggs of sharks and their relatives. For around 455 ...

Sharks have a branding problem. For many people, the word alone conjures images of horror: sleek predators stalking through ...

Biologists like to say that reproduction is the ultimate investment, a costly gamble that shapes everything from lifespan to ...

1. Introducing sharks, skates, rays, and chimaeras -- What are sharks and how are they classified -- How many kinds of sharks are there -- How did sharks get their name -- Where do shards live -- When ...

New research from James Cook University has made the extraordinary discovery that epaulette sharks can reproduce and lay eggs without any measurable rise in energy use.

New research shows that epaulette sharks, often called “walking sharks,” can produce eggs without increasing their overall energy use.