Colony of the filamentous diazotroph Trichodesmium sp. in surface waters of the South Pacific Ocean. © Sophie Bonnet, IRD (IMAGE) Institut de Ciències del Mar (ICM-CSIC) Caption Colony of the filamentous diazotroph Trichodesmium sp. in surface waters of the South Pacific Ocean. © Sophie Bonnet, IRD Credit Colony of the filamentous diazotroph Trichodesmium sp. in surface waters of the South Pacific Ocean. © Sophie Bonnet, IRD Usage Restrictions No restrictions. License CC0 Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.