Email Print Share

News From the Field

Research Shows Male Guppies Reproduce Even After Death


June 12, 2013

This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.

Performing experiments in a river in Trinidad, evolutionary biologist David Reznick at the University of California, Riverside, and colleagues have found that male guppies--small freshwater fish--continue to reproduce for at least 10 months after they die, living on as stored sperm in females, who have much longer life spans than males. While it is well known that guppies store sperm, Reznick and his team had never before thought of the extent of the storage.Full Story

Source
University of California, Riverside

The U.S. National Science Foundation propels the nation forward by advancing fundamental research in all fields of science and engineering. NSF supports research and people by providing facilities, instruments and funding to support their ingenuity and sustain the U.S. as a global leader in research and innovation. With a fiscal year 2023 budget of $9.5 billion, NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and institutions. Each year, NSF receives more than 40,000 competitive proposals and makes about 11,000 new awards. Those awards include support for cooperative research with industry, Arctic and Antarctic research and operations, and U.S. participation in international scientific efforts.

mail icon Get News Updates by Email 

Connect with us online
NSF website: nsf.gov
NSF News: nsf.gov/news
For News Media: nsf.gov/news/newsroom
Statistics: nsf.gov/statistics/
Awards database: nsf.gov/awardsearch/

Follow us on social
Twitter: twitter.com/NSF
Facebook: facebook.com/US.NSF
Instagram: instagram.com/nsfgov