New Zealand Journal of Marine and Freshwater Research abstracts

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Short communication Growth, repetitive breeding, and aquaculture potential of the spiny lobster, Panulirus ornatus

T. Senthil Murugan
M. C. Remany
T. Mary Leema
Jha Dilip Kumar
J. Santhanakumar
M. Vijayakumaran
R. Venkatesan
M. Ravindran

National Institute of Ocean Technology
Pallikaranai
Chennai 601302, India
email: vijay@niot.res.in

Abstract  A pair of subadult Panulirus ornatus was reared in the laboratory from July 2001. The female grew from 0.6 to 1.3 kg and the male from 0.5 to 1.6 kg in 2 years before the first mating in July 2003. In 6 months, from July to December 2003, the pair mated and spawned 3 times, producing 1.6 million eggs and 1.1 million phyllosoma larvae. Mating occurred 25 and 63 days after moulting. The female spawned 2-3 days after mating and the incubation time ranged from 23 to 27 days. The phyllosoma larvae were released over 2 successive days. The growth rate reduced after first mating in both the male and female and the female expended 42% of the total weight gain for egg production.

Keywords  Panulirus ornatus; growth rate; repetitive breeding; egg production

M04011; Online publication date 31 May 2005 Received 8 February 2004; accepted 12 November 2004
New Zealand Journal of Marine and Freshwater Research, 2005, Vol. 39: 311-316
0028-8330/05/3902-0311 © The Royal Society of New Zealand 2005

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