The purpose of this species identification illustrated guide is to facilitate by-catch species identification with real photographs in the Southern ocean. All of the photographs provided in this guide have been taken photographs by the author from aboard trawler (Target species : Euphausia superba) and longliner (Target species : Dissostichus spp.) of commercial fishery purposes in the Southern ocean. The author welcome notification of any errors or possible improvement to this publication. Welcome cooperation with interesting contributor and research body for development this guide.