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The influx of Sargassum on Ambergris Caye blamed for the death of juvenile fish

The persistent inflow of the Sargassum seaweed is taking a toll on juvenile fish around Ambergris Caye. As a result, vast amounts of small to medium dead fish are floating around the mangroves on the lagoon side of the island. Some of the species observed included pufferfish, barracuda, bonefish, reef fish, and young snapper. Sargassum is the main suspect as it makes its way through the mangrove channels that snake along our island borders. The Hol Chan Marine Reserve (HCMR) personnel is aware of the situation and is testing water in the different areas where the Sargassum accumulates. According to them, the oxygen levels near the islandís eastern coast and the lagoon side are low. This is catastrophic for juvenile marine species that grow and develop in these shallow waters.

Large amounts of Sargassum consume oxygen, leaving fish gasping for air near the shore and, in this case, shallow mangrove areas. The most affected are juvenile fish near the coast and mangroves and return to the open sea once they have matured. HCMR agrees with the observation of islanders like Elito Arceo, who believe that the fishing industry may be impacted if more juvenile species continue to be affected. Arceo said that fewer fish would make it back to the open sea if nothing is done, resulting in the decline of fish and lobster populations. Therefore, it is essential to find a solution to decrease Sargassum beaching on the island. Residents on the island are advised not to consume these dead fish which can be tainted with harmful substances.

Click here to read the rest of the article in the San Pedro Sun