Photos: Butterfly-like marine creatures found on Dubai beaches harmless Filed on June 1, 2021

Supplied photos

The creatures tend to appear in coastal waters following changes in marine conditions such as storms and strong winds.

Dubai Municipality has reassured the public that the butterfly-like marine creatures recently spotted on Dubai beaches are harmless and non-toxic.

Hailing from the Creseis Acicula species, the creatures belong to the family of sea butterflies, a sub-category of sea snails. Measuring between 7.15 and 13.2 mm in length, the creatures’ bodies are protected by a pointed needle-like shell. These organisms are not considered toxic and do not pose a threat to the safety of beachgoers.

However, they can cause discomfort as they can stick to the body and they usually die on the dry sand after the tides sweep them to the shore.

Widely distributed in the world’s oceans, the Creseis Acicula species is found mainly in warm waters. The creatures tend to appear in coastal waters following changes in marine conditions such as storms and strong winds, sudden changes in marine currents as well as sharp fluctuations in temperature, salinity and food availability.

This is the first time that the creatures have been found by the municipality in such large numbers on the emirate’s beaches. On May 15, large clusters of the remains of these organisms were found on Al Shurouq Beach.

On May 25, they were first spotted live on Al Shurouq Beach, and to a lesser extent in a part of Jumeirah-3 Beach, while on May 27, they were spotted in Jumeirah-1 Beach. Following monitoring on May 31 and on the morning of June 1, they were not detected on public beaches except in the marine waters off Al Shurouq Beach outside the swimming area.

The municipality stated that protecting the marine environment and enhancing the safety and sustainability of marine resources and biodiversity is one of its key strategic priorities.

The authority has intensified environmental inspections in all public beaches in the emirate to monitor the extent of their spread on the emirate’s coasts, and collect samples for analysis and study.

It has also intensified cleaning operations to remove any remnants of these organisms on the beaches, so that the public can engage in beach activities safely.

Staff Reporter

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