The IUCN/SSC Shark Specialist Group
Shark News 10: January 1998
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Painted ray Raja undulata reproduction
Francisco José Pinto de la Rosa,
Sea Life Centre,
Benalmádena, Spain.
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A pair of adult painted rays were observed copulating in the
Benalmádena Sea Life Centre in Spain on 23 December 1996. The
female started laying eggs 25 days after mating, on 17 January 1997,
and continued to lay until 4 April, by which time she had produced
88 eggs. The first 14 cm (TL) skate hatchling appeared on April 18,
91 days after being laid, and 116 days after copulation.
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