Reversal of Marine Trophic Cascade

June 22, 2017

Indonesia Placeholder

Reversal of Marine Trophic Cascade

About the Implementing organization

Name: Bali Sharks Rescue Center

Country: Indonesia

Year of establishment: 2011

Type of organization: Community enterprise or business


Its one thing to save sharks but at a certain point there needs to be strategic release.

55 sharks have been taken to Gili Trawangan which has resulted in the reefs now re-balancing & growing back filling back up with fish. The once dying reef was full of algae and seaweed with no herbivore fish as the predator fish wiped them out. The reef sharks pushed the predator fish out deeper protecting the reefs allowing the herbivore fish to come back and colonize the reefs. Meanwhile Gili T is now becoming a premiere shark dive in Indonesia allowing more opportunity to hire dive masters, boat drivers, guides etc. Bali Sharks has perfected the rescue, transfer & release protocols.

Nature Element

Oceans / Coasts / Wildlife

Type of Action

Protection / Restoration / Sustainable use / Mainstreaming into sectors / Access and benefit sharing / Invasive species / Awareness and education / Advocacy for land & water rights

Jobs and livelihoods / Food security / Disaster risk reduction / Climate action

Related Sustainable Development Goal(s)


Environmental Impacts

Reef restoration conservation.
Possible 1st ever successful model to recreate a once dead reef zone.

Sustainable Development Impacts

Reef ecosystems are important for fisheries, land protection, climate control To be able to regenerate reef systems by adding rescued sharks completes a restoration process.


We started in Bali but usually release sharks into the MPS's of other islands such as the Gilis, Lembongan & Penida.


Yes it can be duplicated.

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