GENEVA (Switzerland)- Scientists have sequenced the genomes of two endangered sharks. Low genetic diversity and signs of inbreeding ring alarm bells for great hammerheads, but there may be hope for shortfin makos that showed higher genetic diversity and limited inbreeding. The first chromosome level genome sequences for great hammerhead andContinue Reading

How do sharks and tuna react to being caught by hook-and-line and then released? Well, they swim twice as fast as their normal cruising speed, according tot researchers at The Royal Society.  Sharks and tuna  normally swim at elevated speeds relative to cruising speeds only during strenuous activity, such asContinue Reading

Hammerhead sharks are the strange-looking ones. They look like someone grabbed their skull by the eye sockets and stretched their heads out sideways, while the rest of their bodies look like those of a normal shark. Article by Gavin Naylor. You might wonder – what are the advantages of havingContinue Reading