Page 16 - Designing Ways 242
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TRADE
                WINDS




            KZN diver discovers

            ‘cleaning station’ of

            highly-endangered

                 devil rays at

                 Aliwal Shoal



                liwal  Shoal, one of two Marine   Aliwal Shoal, which is located just 4   said that, while scuba diving has been

                 Protected Areas (MPA) on the   kilometres off the coast of Umkomaas,   the most useful tool in achieving
           AKwaZulu-Natal South Coast, is     is one of two MPAs found in this region.   research tasks such as deploying remote
           a world-renowned dive site attracting   The other is Protea Banks, which is   cameras to collect footage of cleaning
           adventurers looking to swim with   7.5 kilometres off Shelly Beach. MPAs   rays, and performing transects of the
           hundreds of sharks of varying species   have been established to keep marine   reef  communities  including  coral  and
           including blacktip and ragged tooth   ecosystems  working  harmoniously  fish,  she  prefers  freediving  for close  ray
           sharks. And while it certainly ticks the   while protecting the ocean life under the   interactions.
           boxes on all shark divers’ bucket lists,   National  Environmental Management:   “Sharks and rays have two additional
           Aliwal Shoal has recently been found to   Protected Areas Act. These two are home   senses that we do not possess,” explained
           home a number of the highly-endangered   to a variety of big marine life such as   Carpenter. “These are the lateral line which
           shortfin devil rays which use the area as a   sharks, whales, turtles, rays, king fish,   detect water displacement, and ampullae
           cleaning station.                  yellow fin tuna and barracuda.    of Lorenzini which detect electric pulses.
             Michelle Carpenter, a local KZN diver   Commenting on shortfin devil rays in   I find that the bubbles generated while
           and PhD student specializing in sharks   particular, Carpenter said it was a massive   scuba diving often scares the ray before
           and rays, discovered the Aliwal Shoal   discovery to find them in such large   it approaches you. In various freediving
           devil  ray  cleaning station  back  in  2020:   numbers, considering they are classified   encounters I have been immersed by a
           “At the time, I didn’t realise how many   as ‘highly endangered’ along the southern   school of 50 devil rays, hugged by a giant
           rays lived in and frequented Aliwal Shoal.   African coast.          manta ray, nearly sandwiched by two
           But I’ve been working on my project for   “Some places, such as Tofo in   barrel rolling giant manta rays, and been
           over a year now, which means visiting the   Mozambique,  have  experienced  a  face-to-face with spotted eagle rays. It is
           site almost daily for field work, and have   decline in sightings of these rays by more   truly magical.”
           been overwhelmed by the incredible ray   than 90% over the past few years,” she   Her freediving fieldwork is supported
           diversity as well as the numbers being   explained. “This makes the discovery at   by Freediving South Africa, which is
           encountered. In fact, Aliwal Shoal has   Aliwal Shoal that much more important.   owned by her partner, Kent Taylor.
           even more diversity in terms of rays than   But it’s not only the numbers of devil rays,   Taylor has been freediving, spearfishing,
           it does sharks.”                   it’s also the diversity of ray species that is   and skippering boats his entire life, and
             Rays, which are the dorsal-ventrally   so astounding.”             launched Freediving South Africa, the first
           compressed, or flattened sharks, do not   She  said  there  are  common  sightings   fully eco-dive business on the KZN South
           always draw as much attention as sharks.   of spotted eagle rays, honeycomb whip   Coast in 2019. Michelle and Kent are
           However, both sharks and rays actually   rays, reticulate whip rays, leopard whip   based primarily in Umkomaas, although
           both belong to the cartilaginous group of   rays, blue stingrays, bluespotted stingrays,   they frequently travel to Sodwana Bay and
           marine fishes called ‘elasmobranchs’.  Jenkins stingray, round ribbontail rays,   other South African locations to teach
             Carpenter  said  this  site  is  fortunate   and even the critically endangered   freediving and perform research.
           to be home to one of the world’s first   whitespotted wedgefish. Although not   Michelle is supported by several scuba
           discovered devil ray cleaning stations,   seen as regularly, divers can also see giant   diving operators, sponsors, and non-
           following another such discovery at   manta rays, reef manta rays, longhorn   profit organisations, without which this
           Bazaruto Archepelago. “Cleaning stations   devil rays, the enigmatic and under-  sort of research would not be possible.
           are important areas on a reef where a   studied bull rays, as well as the extremely   These include the University of Cape
           marine animal - such as a ray, turtle,   rare bowmouth guitarfish.   Town, Freediving South Africa, Agulhas
           shark, or fish – will visit to have parasites   Carpenter’s  ocean-based  research  House Dive Centre, Marine Megafauna
           removed or wounds cleaned by cleaner   sees her using scuba diving equipment   Foundation, ScubaCo Dive Centre, Blue
           fish. These sites function as resting areas   as well as freediving as a way to gather   Ocean Dive Resort, and the Rufford
           and mating grounds for hundreds of   the necessary information while getting   Foundation.       dw
           marine life species.”              close  enough to the marine life.  She






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