Sustainable Onshore Lobster Aquaculture
Sustainable Onshore Lobster Aquaculture

Lipid and fatty acid composition of likely zooplankton prey of spiny lobster Jasus edwardsii phyllosomas


Several of the world's major spiny lobster fisheries, including Jasus edwardsii in Australasia, have gone into dramatic decline due to decreasing recruitment of their lecithotrophic postlarvae. There is evidence that the decline is related to poor nutritional condition of the postlarvae, especially lipid that is accumulated in large quantities during the preceding pelagic larval stage. Therefore, characterizing the lipid composition of the likely potential zooplankton prey of the larvae (phyllosomas) of spiny lobsters will provide new insights into their nutritional requirements. The lipid class and fatty acid composition of more than 30 species of likely zooplankton prey of the larvae of the spiny lobster, J. edwardsii, were determined. These results showed that most zooplankton prey had a high proportion of their lipid content as polar lipid (PL) (range of 9.4-94.8%, mean of 76.1 ± 2.6%). Zooplankton prey provide phyllosomas with polyunsaturated fatty acids (PUFA) for growth and development, as well as a range of other important fatty acids that are accumulated as PL and used for fuelling the migration of the subsequent lecithotrophic postlarvae across the continental shelf. Overall, these results indicate that phyllosomas consume prey with wide ranging lipid content, but dominated by PL, and high in docosahexaenoic acid, eicosapentaenoic acid and the key fatty acids used for energy storage. © 2014 John Wiley & Sons Ltd.


Research Hub Investigator(s)
Publication Year
Wang, M., Mackenzie, A.D. & Jeffs, A.G. 2015, "Lipid and fatty acid composition of likely zooplankton prey of spiny lobster Jasus edwardsii phyllosomas", Aquaculture Nutrition, vol. 21, no. 4, pp. 385-400.
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