eShark — The Global Shark & Ray Collaboration

A monumental collaboration.

Since 2003, eShark has delivered global, collaborative impact — protecting 100+ shark and ray species across 19+ million km². Now, with the eOceans app, this collaboration runs continuously, across all species and places, in real time. Join us!

All hands on deck

Join us in the field, as a partner, influencer, or sponsor.

Field observers

If you know your sharks and rays (or most of them), keep an eye out for them and the threats they face, and share your surveys with us:

🌀 Download the eOceans app (iOS, Android)
🌀 Explore and survey your sites, anywhere
🌀 Log your shark & ray observations — including zeros!
🌀 Log threats — lost fishing gear, pollution, etc.


As you add observations, they are checked by scientists and then transformed into results in real-time.

Become a partner, influencer, or sponsor:

Partners and sponsors help scale eShark by spreading the word — while gaining visibility, credibility, and measurable impact.

Contact us

eShark is led by the experts behind globally influential shark and ray science:

🌀 100 million sharks killed each year — threatening populations, livelihoods
🌀 Global manta rays and manta-driven tourism is threatened by IUU fishing
🌀 The Great Fiji Shark Count, eShark Thailand, eManta, and more.
🌀 Sharks disappear on reefs close to human populations, unless strong tourism and conservation
🌀 Shark Sanctuaries have many benefits for sharks and rays, but don’t address all threats
🌀 Yellow stingrays are declining throughout their range, unnoticed by science
🌀 Many more (see impact page for details)

eShark data and results don’t just sit in databases or in peer-reviewed publications— they inform communities, global policy, and conservation decisions.

🌀 Sharks and rays gain protection from illegal, unreported, unregulated fisheries
🌀 International trade regulations strengthened
🌀 Shark Sanctuaries implemented and improved
🌀 Pollution reduction strategies implemented

Why eOceans app — not just another shark app?

Sharks and rays don’t exist in isolation — they are part of a highly complex, dynamic and fast changing ocean. Standalone apps miss the bigger picture. eShark on eOceans links every sighting to other species, threats, and human activity, creating a real-time, global view of sharks and rays, their threats, and the ocean.

Join us today.

All hands on deck.