Science and industry join forces to unveil manta ray mysteries

Sep 10, 2013
Science and industry join forces to unveil manta ray mysteries
Credit: Dr Kathy Townsend

Manta rays are hard to miss —big, black and stretching up to seven metres wide, but scientists are concerned about the survival of the world's largest ray.

Murdoch University is joining forces with the University of Queensland's Project Manta and industry partners Austral Fisheries and the TG Kailis Marine Conservation Fund to establish "Project Manta – WA".

Project Manta's Dr Kathy Townsend said there was a sense of urgency to increase understanding of these completely harmless ocean giants.

"Manta rays can be considered the canaries in the in relation to the marine environment in which they live," Dr Townsend said.

"Manta rays have recently been listed as vulnerable to extinction on the International Union for Conservation of Nature (IUCN) Red List of Endangered Species because of the unsustainable, unregulated fisheries in Indonesia, Sri Lanka, Mexico and Africa.

Mr Frazer McGregor, from Murdoch University said "Manta rays are a big ecotourism drawcard, forming the basis of multimillion dollar ."

"A recent proposal to have manta rays listed as a threatened species under the Environmental Protection and Biodiversity Conservation Act 1999 (EPBC Act) was unsuccessful and highlights that there are significant about the species."

Project Manta has established a comprehensive network of recreational divers and dive industries that provide identification photographs of manta rays along the entire east coast of Australia.

Murdoch University's study has been focused at Ningaloo Reef off Western Australia. Both research groups independently collated a database of more than 650 individual animals within their respective research areas.

"The support of Austral Fisheries and the TG Kailis Marine Conservation Fund will allow the two largest manta ray research projects in Australia to join forces, enabling one of the most comprehensive studies of the biology and ecology of manta rays in the world," said Mr David Carter, CEO of Austral Fisheries.

"This project aims to gather the data required to ensure manta rays receive full protection status in Australian waters."

The national project is calling on local divers and snorkellers from around Australia to become actively involved in creating an image database to identify .

The aim is to recruit new citizen scientists across the manta ray's entire range, from Western Australia, the Northern Territory, Queensland and New South Wales.

"We specifically want pictures of the underbelly of the manta ray because they can be used to identify individuals," Dr Townsend said.

"The black and white patterns are as unique as a fingerprint."

The nationwide collaboration between scientists, industry and the general public started in July 2013.

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