Effects of fatty acid composition and spawning season patterns on egg quality and larval survival in common snook (Centropomus undecimalis)
Abstract
Common snook (Centropomus undecimalis) is a new candidate species for aquaculture. Its reproductive cycle has not been completed in farmed fish since knowledge of their behaviour in the wild and its reproductive physiology remains incomplete, and the only source of seeds comes from wild broodstock. This study was undertaken to examine the fatty acid profile of common snook eggs throughout the spawning season (May to September) in relation to egg quality and larval survival. The fatty acid (FA) composition of eggs collected from wild broodstock stripped on the field (2002-2005), was determined over the spawning season. In general the FA profile observed was consistent with that observed in marine fish apart from a high level of arachidonic acid (ARA) (3.68% of Total FA). The profile of polyunsaturated fatty acids (PUFA) changed over the spawning season (37.5%-29.4% Total FA) and egg quality was best in May, June and July. Eggs with higher concentration (13% of Total FA) of docosahexaenoic acid (DHA) were found to have higher fertilization, hatching and larval survival rate.
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The lipid composition of fish eggs improves due to the alteration of habitat that adults are exposed to during the spawning seasons.
“Some researchers have shown that the lipid composition of egg improved due to the alteration of habitat that adults are exposed to during the spawning seasons (Navas et al., 1997; Yanes-Roca et al., 2009).”
From Impacts of phytoplankton availability on bigeye tuna (Thunnus obesus) recruitment in the Indian Ocean (2024) · cites this paper as Yanes-Roca et al., 2009
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Wang, Y., Zhang, Y., Geng, Z., & Zhu, J. (2024) · Frontiers in Marine Science · doi:10.3389/fmars.2024.1392273 · Cited by 2 · see citing works
- Authors
- Yanes-Roca, C., Rhody, N., Nystrom, M., & Main, K. L.
- Affiliations
- Mote Marine Laboratory (US)
- Venue
- Aquaculture
- Publisher
- Elsevier BV
- Published
- 2009-02
- Volume
- 287
- Issue
- 3-4
- Pages
- 335-340
- ISSN
- 0044-8486 (ISSN-L)
- OpenAlex
- W2092121938
- Cited by
- 136
- References
- 0
- Citations by year
- 2026: 5 · 2025: 8 · 2024: 14 · 2023: 3 · 2022: 6 · 2021: 5 · 2020: 9 · 2019: 5 · 2018: 7 · 2017: 7 · 2016: 10 · 2015: 9 · 2014: 13 · 2013: 15 · 2012: 7
- FWCI
- 6.54
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Aquaculture (publishedVersion)
- Funders
- Florida Fish and Wildlife Conservation Commission
- University of Florida
- University of Stirling
- Topics
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Reproductive biology and impacts on aquatic species
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Fish Biology and Ecology Studies
- Keywords
- common snook, Centropomus undecimalis, egg fatty acid composition, spawning season, egg quality, larval survival, arachidonic acid, docosahexaenoic acid, polyunsaturated fatty acids, fertilization rate, hatchability, wild broodstock, fish reproduction
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