from broad-toothed mako sharks. There are at least eight different species of hammerhead shark, and while fossil teeth evidence suggests that their ancestors may have existed 45 million years ago, ...

Scientists have sequenced to chromosome level the genomes of great hammerhead and shortfin mako sharks, showing that their populations have declined over 250,000 years.

The great hammerhead is the biggest of the sharks ... appear in UK waters by 2050 include bigeye thresher, longfin mako, silky shark, dusky shark and the goblin shark. Of course, there are already ...