Dear Marmammers, We are pleased to announce that the updated (v 2024) Photo ID Catalogue for Killer Whales of the Northern Indian Ocean is now available in PDF format and can be downloaded from the following link. https://niokillerwhales.wixsite.com/niokwa/copy-of-download-pdf-version-1 DOI: 10.13140/RG.2.2.10065.54889 The catalogue includes identification images and sightings records for the 80 identified killer whales, comprised of 23 pods and 5 suspected lone animals. A live on-screen version of the catalogue can also be found at the same website under the ‘ID catalogue’ tab, where you can click ID images to magnify detail. Terms of Use: Data and images are the copyright of the respective individual contributors, associated study and/or network, and are not to be used without prior written permission. For all requests relating to catalogue data use in publication or commercial applications, and requests for access to high-resolution images, please contact the NIOKWA administrators via georgina.wildoceans@gmail.com All the best Georgina -- *Georgina Gemmell* Lead Administrator, Orca Project Sri Lanka