Researchers Targeted Sargassum With Fly Larvae

University of Miami scientists are testing insect larvae to convert sargassum seaweed into sustainable animal feed.

Updated on Oct. 11, 2026 in Organic Food

Researchers Targeted Sargassum With Fly Larvae

Live Poll

Would you support using fly larvae to convert local seaweed waste into fertilizer and animal feed?

Researchers at the University of Miami have launched a project to transform pervasive sargassum seaweed into livestock and fish feed using black soldier fly larvae. This innovative method aims to mitigate the environmental and financial burden of seaweed washing up on beaches throughout Florida.

Why it matters

The initiative addresses the massive influx of sargassum that clogs local coastlines and carries significant economic costs for communities. By converting waste into biomass, the project seeks to turn an ecological nuisance into a valuable agricultural resource.

Black soldier fly larvae, which mature in just 9 to 14 days, are being used to process seaweed into insect meal for feed. This project addresses a regional economic toll that exceeded $2.5 billion in 2025.

The players

Julio Camperio

He is the lead researcher overseeing the two-year pilot project involving larvae and sargassum.

University of Miami

This academic institution is hosting the research program aimed at solving seaweed accumulation.

Association of American Feed Control Officials

This regulatory organization officially approved black soldier fly meal for use as livestock feed in 2025.

The details

Scientists mix sargassum with farm and fish factory scraps to balance the high salinity of the seaweed before feeding it to the larvae. Once the larvae consume the organic material, they create a biomass that is then dried and ground into a powder, while the remaining waste serves as fertilizer.

2009-2011: Prevailing winds shifted, leading to a wider spread of sargassum.
2022: University of Miami tested sargassum compost safety in Hallandale.
2025: The economic cost of sargassum in southeast Florida topped $2.5 billion.
April 2026: Researchers revealed findings concerning the Sargassum Belt.
October 2026: University of Miami researchers continue the ongoing fly larvae project.

Culture Shift

This research follows the trend of circular economy initiatives designed to combat the $2.5 billion economic toll caused by sargassum in southeast Florida. It marks a departure from traditional disposal methods by repurposing invasive organic waste into productive agricultural inputs.

Residents may see a shift in how municipalities manage beach maintenance as researchers move toward deploying mobile composting labs. This could eventually reduce the $4 million annual expense currently shouldered by Miami-Dade County taxpayers for clearing sargassum.

The takeaway

Turning invasive seaweed into high-protein livestock feed offers a potential dual benefit of cleaning beaches and supporting local farms. Successful scaling of this technology could transform how coastal communities handle seasonal seaweed blooms as a resource rather than a waste product.