Scientists used non-invasive techniques such as ultrasound to determine pregnancy and blood chemistry to quantify reproductive condition.
![Oceanic whitetip shark](https://media.fisheries.noaa.gov/dam-migration-miss/md_6WJ2tdLrti88.jpg?1549651417)
The team also attached satellite archival tags to silky sharks in an ICCAT funded project to further understand movements and habitat use. There is little known about silky sharks' habitat use and movement patterns.
![oceanic whitetip shark](https://media.fisheries.noaa.gov/dam-migration-miss/md_wddezgGrrYR2.jpg?1549651873)
Photo credit: Andy Mann & Trevor Bacon
The expedition was funded by a grant from the Moore Charitable Foundation and NOAA's Office of Protected Resources.