Effect of maternal fat reserves on the fatty acid composition of sardine (Sardina pilchardus) oocytes

Garrido, Susana; Rosa, Rui; Ben-Hamadou, Radhouan; Cunha, Maria Emília; Chı́charo, Maria Alexandra; Lingen, Carl D. van der

doi:10.1016/j.cbpb.2007.07.008

Cited by 56 publications

(42 citation statements)

References 31 publications

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“…These different FA were mostly due to the high values of PUFA as a result of the extremely high EPA values in 2007 (34.6 to 55.4%). In the literature, the EPA values for eggs, female gonads, or even other fish tissues (muscle, skin, liver) are usually < 20%, including aquaculture fish species fed special diets (Tocher & Sargent 1984, Navas et al 1997, Pickova et al 1997, Sargent et al 1999, Morehead et al 2001, Iverson et al 2002, Njinkoué et al 2002, Shirai et al 2002, Li et al 2005, Salze et al 2005, Bransden et al 2007, Garrido et al 2007, Huynh et al 2007, Özogul & Özogul 2007. Causes of our high values are not known but could be due to the combined effect of the direct ingestion of long chain-forming diatoms and large calanoid copepods, and the lower temperatures in 2007.…”

Section: Discussionmentioning

confidence: 99%

“…In clupeids such as Sardinops melanostictus, the FA composition of the muscle and gonads resembles precisely that of the plankton, indicating a clear association between differences in the FA composition of these fish tissues and seasonal variations in the plankton (Shirai et al 2002). Likewise, a study of Sardina pilchardus off the Iberian Peninsula by Garrido et al (2007) revealed a relationship between the essential FA in the muscle and those in the gonads, suggesting that lipids pass from one to the other during different months of the spawning season. In some fish populations, it may be common for the essential FA (DHA, EPA) of the food web to be incorporated into the intermediate tissues and then into the gonads.…”

Section: Introductionmentioning

confidence: 93%

“…However, the lipid composition of the eggs (other than TAG and cholesterol) should also be expected to vary during the spawning season according to the type of food consumed by the adult females, as observed in other clupeiform fishes (Shirai et al 2002, Garrido et al 2007. Because environmental conditions also vary on time scales other than seasonal (i.e.…”

Section: Introductionmentioning

confidence: 99%

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Fatty acids in eggs of anchoveta Engraulis ringens during two contrasting winter spawning seasons

Castro¹,

Claramunt²,

González³

et al. 2010

Mar. Ecol. Prog. Ser.

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We assessed the fatty acid (FA) composition of anchoveta eggs collected from the plankton along with female anchoveta reproductive traits and environmental conditions during peak winter spawning in 2005 and 2007. Environmental conditions differed markedly between years at 3 continental shelf stations off Talcahuano, Chile, with a warmer, fresher water column in 2005 and a colder, saltier one in 2007. We confirmed differences in sea surface temperature, measured both at the coastal egg collection stations and using satellite images over a broader area, caused by south

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

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Fatty acids in eggs of anchoveta Engraulis ringens during two contrasting winter spawning seasons

Castro¹,

Claramunt²,

González³

et al. 2010

Mar. Ecol. Prog. Ser.

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“…As a consequence, this organism shows a large effect of seasonality in terms of its body composition and physiological state: it accumulates fat in the gut, muscles and under the skin, and there are seasonal and spatial differences in the amount of stored fatty acids (Garrido et al, 2007). During November and December, it was possible to observe a significant increase in GSI, reflecting the onset of the winter spawning season; this period was preceded by an intense nutrient uptake and accumulation of energetic reserves from June to September, reflected by considerable rises in HSI and K. These findings are in agreement with those of Nunes et al (2011), who found a seasonal transition from a period of energy allocation to reproduction (autumn and winter) to a period of resource allocation into growth and fat deposition (spring and summer).…”

Section: Discussionmentioning

confidence: 99%

Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studies

Nunes

Travasso

Gonçalves

et al. 2015

Front. Environ. Sci.

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Sardina pilchardus is a marine species common in the North Atlantic Ocean, and is subjected to diffuse anthropogenic chemical contamination and seasonal fluctuations in biotic and abiotic parameters that may alter its physiology and condition. Biological material is easily available through commercial fisheries, which could facilitate its use as a bioindicator species. The aim of the present work was to address its potential inclusion in biomonitoring studies, considering a combinatory approach through the use of enzymatic biomarkers and somatic indices, by assessing spatial and temporal patterns in a metapopulation along the west coast of Portugal. Our results showed significant variability of the biochemical and physiological profile of the fish, mainly concordant between sampling sites. Large differences for most markers were found across periods of the year, showing the importance of seasonality, which was mostly related to the reproductive cycle. Hence, environmental scientists should acknowledge seasonality as a strong driving force for physiological adaptations, influencing biochemical markers that are normally used to identify effects of chemical contamination. The here-obtained set of data suggests that S. pilchardus may be successfully included in oceanic biomonitoring studies, when one considers that the contribution of seasonal factors may exceed the influence of eventual anthropogenic contamination.

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“…Therefore, water temperature and salinity are suspected to have direct effects on the FA composition in food items relevant for E. fimbriata (Bainbridge 1961, Blay & Eyeson 1982a. In clupeoid fishes, the EFA produced by phytoplankton are incorporated into the intermediate tissues, gonads, and eventually oocytes during the spawning season (Linko et al 1985, Shirai et al 2002, Garrido et al 2007, Castro et al 2010. Elevated levels of ARA, DHA, EPA, and the DHA/EPA ratio in oocytes accounted for an increased hatching success in a variety of fish species (Leray et al 1985, Pickova & Dutta 1997, Lane & Kohler 2006, Patterson & Green 2014, Asil et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Using oocyte essential fatty acid composition to assess spawner reproductive potential under hypersaline conditions

Döring¹,

Ekau²

2017

Mar. Ecol. Prog. Ser.

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Inversion of estuaries in the dry tropics (i.e. salinity increases upstream) against the backdrop of a globally changing climate is forcing migratory clupeid fish species to adapt quickly to modifications in their spawning habitats to ensure reproductive success. Hatching success and survival probabilities of marine fish eggs and early life stages are prone to impairment under high temperature and elevated salinity conditions. Essential fatty acids affect osmoregulation in marine fish early life stages, and deficiencies can therefore be expected to cause elevated offspring mortality under hyperosmotic conditions, ultimately modifying a stock's reproductive potential. Here we show that oocytes spawned by bonga shad Ethmalosa fimbriata inside a hypersaline estuary exhibited significantly higher 20:4 (n-6) proportions (1.6 ± 0.7% of total fatty acids) than oocytes spawned under marine conditions (0.6 ± 0.2%). Further, oocyte proportions in 20:4 (n-6), 20:5 (n-3), and 20:6 (n-3) were positively correlated with water temperature, water salinity, and female reproductive investment (relative batch fecundity, gonado-somatic index, oocyte dry weight). Oocytes spawned during high temperature/high salinity conditions inside the estuary are therefore likely to develop normally under the prevailing conditions. Reproductive potential was determined to be highest in females spawning inside the estuary at the end of the wet season, when temperatures are high and salinities are less stressful due to freshwater input. Results lead to the conclusion that migratory clupeid fishes can maintain their reproductive potential in hypersaline estuaries and lagoons, which potentially allows for sustainable stock sizes.

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Effect of maternal fat reserves on the fatty acid composition of sardine (Sardina pilchardus) oocytes

Cited by 56 publications

References 31 publications

Fatty acids in eggs of anchoveta Engraulis ringens during two contrasting winter spawning seasons

Fatty acids in eggs of anchoveta Engraulis ringens during two contrasting winter spawning seasons

Biochemical and physiological modifications in tissues of Sardina pilchardus: spatial and temporal patterns as a baseline for biomonitoring studies

Using oocyte essential fatty acid composition to assess spawner reproductive potential under hypersaline conditions

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