Manta rays are among the largest rays in our oceans and play an important role in marine ecosystems. World Manta Day, observed every year on 17 September, aims to raise awareness about these remarkable animals, the threats they face, and the importance of their conservation.
The first World Manta Day was launched by the Manta Trust in 2020. This year’s theme, “COLLABORATION,” highlights the importance of bringing together scientists, conservation organisations, fishing communities, governments and the tourism sector to protect manta and devil rays.
Manta and devil rays belong to the family Mobulidae. This family includes the majestic manta rays and devil rays, with species differing in size, appearance and habitat. The Oceanic Manta Ray ( Mobula birostris ), also known as the giant manta ray, is one of the largest members of the family.
Despite their enormous size, manta rays are gentle filter feeders, feeding mainly on plankton and other tiny organisms. Their specialised feeding structures allow them to filter food from large volumes of seawater.
However, these remarkable animals face growing threats from fishing pressure, accidental capture as bycatch, and demand for their gill plates. Their slow growth and low reproductive rate also make them particularly vulnerable to population decline.
Sri Lanka is also important for manta and devil ray conservation. Research has documented high levels of mobulid bycatch in Sri Lankan fisheries, with thousands of individuals recorded across fishing landing sites. These findings highlight the importance of reducing fishing-related mortality, protecting important habitats and promoting responsible marine tourism.
This World Manta Day, let us learn more about these incredible ocean giants, share awareness and work together to protect their future.
Flyer-Poorna
Caption -Kusalani
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