Rangiroa is a laid-back island paradise full of underwater wonders, including abundant sharks. It's the largest coral atoll ...

Under-sea mountains are key locations for predators -- with 41 times more sharks than the open ocean, new research shows.

esearch team finds wild medaka engage in surprisingly active nocturnal behavior in their natural river environment.

A rare predatory fish which lives 2,000 metres below sea level has been spotted in broad daylight. Spanish shark researchers ...