Analysis of seawater for DNA of rare and endangered hammerhead sharks has been used to infer their presence or absence at multiple locations throughout their range. No sharks were captured or observed; accuracy of the inferred distributions depends on the presumed degradation of environmental DNA in hours or days.
Summary: https://scitechdaily.com/scientists-find-endangered-hammerhead-sharks-without-seeing-a-single-one/
Original paper: https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2025.1688088/full
#Science #MarineScience #EnvironmentalMonitoring #EnvironmentalDNA #Hammerheads


