Australia hatches first IVF shark
The first brown banded bamboo shark pup born in Australia via Artificial Insemination is shown a at the SEA LIFE Melbourne Aquarium on March 2, 2014
Sea Life Melbourne Aquarium said the brown banded bamboo shark pup was born on March 3, ending a process which began in September when aquarists collected a semen sample from a shark in Mooloolaba in northeastern Australia.
This was flown to the southern city of Melbourne and inseminated into the mother the same day -- making the pup the first shark to be born globally via a live semen sample transported from one facility to another, Sea Life said.
Melbourne Aquarium vet Rob Jones said the birth of the shark -- which is expected to grow from its initial length of 16 centimetres (6.3 inches) to an adult size of 1.2 to 1.5 metres -- was a milestone in using assisted reproductive technologies.
"This is a big leap," he told AFP.
The hatching is part of a nine-year project into understanding the reproductive behaviours of sharks, animals which are common in Australia but are little understood.
The team hope their research will help with plans to manage threatened species in the wild, in particular the critically endangered grey nurse shark.
The egg, one of several laid by the shark in November but the only viable one, was monitored weekly during its incubation period of 112 days.
"With each insemination attempt, we continue to learn about the reproductive behaviours of Australian shark species," said Melbourne Aquarium research consultant Jon Daly.
"Hopefully we can use this technology as a basis for breeding grey nurse sharks in captivity and, in years to come, boost the species' dwindling numbers in the wild."
Grey nurse sharks are considered critically endangered, with estimates that there could be as few as 1,500 left on Australia's east coast.
Sharks are a known danger for those swimming, diving and surfing around the country and are currently subject to a controversial cull in Western Australia state after a series of fatal attacks in recent years.
The policy to catch and kill any protected great white, tiger or bull shark bigger than three metres off popular west coast beaches has been condemned by conservationists.
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