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

A juvenile blacktip reef shark having measurements taken. Photo: Luke Gordon/Save Our Seas Foundation.

GENEVA (SWITZERLAND)- The Save Our Seas Foundation (SOSF) is dedicated to the conservation our oceans, with a particular focus on securing a sustainable future for sharks and rays. Predators like sharks play a crucial role in healthy marine ecosystems, and the oceans are our life support – we rely onContinue Reading

Tiger shark. Photo: Michael Vogelsang

VIENNA (Austria)- Modern tiger sharks are older than previously thought and in the past several tiger shark species existed compared to the single species living today. That’s what an international team of researchers, led by Julia Türtscher from the University of Vienna, found out by examining the fossil record ofContinue Reading