Determining the position of southern flounder Paralichthys lethostigma on the reproductive energy allocation spectrum using an essential fatty acid as a maternal dietary biomarker

Burns, Corinne M.; Fuiman, Lee A.

doi:10.1007/s10641-020-01013-3

Cited by 6 publications

(4 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This suggests that the shrimp‐only diet provided insufficient nutrition. The progressive increases in PL and neutral lipids containing fatty acids (TAG, WE/SE, and FFA) over weeks 4 and 6 may be a result of the mobilization of stored lipids by the females that were receiving an insufficient diet (Sand et al 1969; Wiegand and Idler 1982; Grieshaber et al 2016), which Burns and Fuiman (2020) concluded based on changes in the fatty acids in the eggs and somatic tissues from females. The change in WE/SE output by the females over time suggests that egg quality may improve over the course of a breeding season, as has been observed for other fish species (Lubzens et al 2010; Reading et al 2018).…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Maternal Allocation of Lipids to Eggs by Southern Flounder after Diet Changes

Mejri

Burns²,

Hou³

et al. 2020

N American J Aquac

Self Cite

View full text Add to dashboard Cite

Maturation and spawning diets for flatfish broodstock, such as Southern Flounder Paralichthys lethostigma, have received little research attention, despite their critical role in the reproductive performance. During the spawning season, which is when Southern Flounder broodstock produce multiple egg batches, they rely on their diet to supply nutrients to the eggs. Lipids are an important class of nutrients for offspring development. The objective of this brief communication is to describe the changes in egg lipid classes during the spawning season following a diet change. Female broodstock were fed three diets after the first spawn (week 0)—a control diet (equal weights of Spanish Sardines Sardinella aurita and brown shrimp Farfantepenaeus aztecus), a shrimp‐only diet, and a sardine‐only diet (n = 3, 3, and 4, respectively)—for a period of 6 weeks and the lipid composition of the eggs was measured every 2 weeks. The change to a diet of sardines only or shrimp only altered the concentrations of egg lipid classes, indicating that egg composition is affected by maternal dietary intake over a period of 2 weeks or less. Females that were fed the sardine‐only diet produced eggs with higher levels of ketones and acetone‐mobile polar lipids and lower levels of hydrocarbons than did females that were fed shrimp, exhibiting changes that were consistent with the differences between the diets. The shift to the sardine‐only diet had little effect on total lipids, triacylglycerols, free fatty acids, and sterols in the eggs. The change to the shrimp‐only diet resulted in subtle but consistent decreases in all of the lipids, except wax/steryl esters at week 2, followed by gradual increases. This suggests that the shrimp‐only diet provided insufficient nutrition and that the females mobilized stored lipids to compensate. These preliminary results revealed interesting patterns that, with further research, could lead to improved diets and feeding protocols for the production of Southern Flounder.

show abstract

Section: Resultsmentioning

confidence: 99%

“…This brief note reports on an opportunistic investigation of the lipid class composition of eggs that were collected during a previous experiment that examined fatty acids (Burns and Fuiman 2020). The preliminary analyses presented here describe changes in egg lipid classes during the spawning season following a diet change.…”

mentioning

confidence: 99%

Maternal Allocation of Lipids to Eggs by Southern Flounder after Diet Changes

Mejri

Burns²,

Hou³

et al. 2020

N American J Aquac

Self Cite

View full text Add to dashboard Cite

show abstract

“…For example, salmonids experiencing thiamine deficiencies had higher instances of reproductive failure, and the thiamine deficiency was likely caused by consuming a diet primarily of clupeids (Fisher et al ., 1996; Keinänen et al ., 2018). In a spawning experiment, Southern flounder ( Paralichthys lethostigma ) fed a diet with high docosahexaenoic acid (an omega‐3 fatty acid) still supplemented their egg production with somatic stores, potentially because of a lack of other essential fatty acids in the diet (Burns & Fuiman, 2020). This is notable because C. striata dietary lipid and fatty acid intake has been shown to affect fertilization success and egg quality (Bentley et al ., 2009).…”

Section: Discussionmentioning

confidence: 99%

“…On the other end of the spectrum, income breeders do not use energy stores from somatic reserves (Domínguez‐Petit et al ., 2010), and their reproductive output can be affected by the food supply during the spawning season (Basilone et al ., 2020). Mixed breeders primarily acquire energy through their diet during the spawning season and also supplement energy from somatic stores, which exhibit a slight decline throughout spawning (Aristizabal, 2007; Burns & Fuiman, 2020). These differing breeding strategies impose a range of energetic constraints towards reproduction.…”

Section: Introductionmentioning

confidence: 99%

Regional differences in energy allocation of black sea bass (Centropristis striata) along the U.S. Northeast Shelf (36°N to 42°N) and throughout the spawning season

Slesinger

Bates

Wuenschel

et al. 2022

Journal of Fish Biology

View full text Add to dashboard Cite

Fish reproduction is energetically costly, leading to a suite of energy allocation strategies for maximizing lifetime reproductive potential. Assessing energetic allocation for species that inhabit a wide distributional range can provide insight into different strategies found across individuals and populations. The Northern stock of black sea bass (Centropristis striata) inhabits the U.S. Northeast continental shelf from Cape Hatteras, NC, to the Gulf of Maine, and spawns inshore throughout this distribution from April to October. To assess energy allocation towards spawning, C. striata were collected in four regions across this distribution and throughout their spawning season. By assessing energetic allocation (lipid, energy density and total energy) in muscle, liver and gonad tissues, C. striata were identified as mixed breeders because while they mobilized somatic energy stores towards reproductive development, they also used energy acquired from their diet to sustain reproductive output throughout the spawning season. Unlike male fish, female fish both invested more energy into liver and gonad tissues and exhibited regional differences in energetic values. For both sexes, C. striata in the northern portion of the distribution had lower energetic values both in the somatic stores and towards gonadal development than the fish in the southern portion of the distribution, possibly because of longer migration distance. Overall, the authors found significant spatial variation in energetic constraints that may affect reproductive output and success (recruitment), a relevant result as C. striata are a popular recreational and commercial species throughout this distribution.

show abstract