Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to be costly. Scientists tracked metabolism, blood, and hormone levels ...

Bull shark breeding in Fiji ties the same parent pair across a decade and sends females back to the same rivers to give birth ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Some species of shark return to the same ...

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. JCU's shark physiology research ...