We would like to inform all researchers and colleagues that the web-based education – extension course with the title of "Ecological analysis in R Software" will be held by the academic member of the Iranian Fisheries Science and Research Institute, Dr. Mahnaz Rabaniha, on Saturday, July 27, 2019, and August 3, 2019, from 9:00 am to 1:00 pm through the webinar. Also, the course "How to write the fisheries and aquaculture extension texts" will be held by Mr. Ali Reza Seyyed Eshaghi, the general manager of the Knowledge Network and Promotion Media, on Tuesday, July 30, 2019, from 9:00 am to 1:00 pm through the webinar. Those interested in attending the course are invited to complete their personal information and register through the following link:https://vc.areeo.ac.ir. For more information, please contact Mr. Edalat at the Office of the Deputy of Fisheries and Aquaculture Extension of the Iranian Fisheries Science and Research Institute at 02188381073.