Useful links
~IOTC species identification guides~

The IOTC Secretariat had developed Identification Guides for marine turtles, seabirds, and sharks and rays that maybe incidentally caught or otherwise interacted with by IOTC fisheries targeting tuna and tuna-like species in the Indian Ocean, which is also vey useful for species identificaiton. 

This ID guide is avialable in most languages in the Indian Ocean. Check the below and find your own language!