ArticlePloS one2021
Sex dimorphism in European sea bass (Dicentrarchus labrax L.): New insights into sex-related growth patterns during very early life stages.
Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 23 citations in OpenAlex.
- Article
- Different Colours, Different Outcomes: Tank Colour Shapes Larval Survival, Growth, and Endocrine Response inAnimals : an open access journal from MDPI · 2026Article
- Selection for Growth Performance inAnimals : an open access journal from MDPI · 2025Article
- Do European Seabass Larvae Grow Better in Their Natural Temperature Regime?Evolutionary applications · 2025Article
- A cost-effective method for combining the power of genetic and epigenetic selection in animal production.Environmental epigenetics · 2025Article
- Early fasting does not impact gonadal size nor vasa gene expression in the European seabass Dicentrarchus labrax.Fish physiology and biochemistry · 2024Article
- Potential Implications of Acid-Sensing Ion Channels ASIC2 and ASIC4 in Gonadal Differentiation ofAnimals : an open access journal from MDPI · 2024Article
- Sex Reversal Induced by Dietary Supplementation with 17α-Methyltestosterone during the Critical Period of Sex Differentiation in Oriental River Prawn (Animals : an open access journal from MDPI · 2023Article
- Demographic Analysis of Shortfin Mako Shark (Animals : an open access journal from MDPI · 2022Article
- Unraveling the genotype by environment interaction in a thermosensitive fish with a polygenic sex determination system.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Parental selection for growth and early-life low stocking density increase the female-to-male ratio in European sea bass.Scientific reports · 2021Article
- Exploring Sexual Dimorphism in the Intestinal Microbiota of the Yellow Drum (Frontiers in microbiology · 2021Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The European sea bass (Dicentrarchus labrax) exhibits female-biased sexual size dimorphism (SSD) early in development. New tagging techniques provide the opportunity to monitor individual sex-related growth during the post-larval and juvenile stages. We produced an experimental population through artificial fertilization and followed a rearing-temperature protocol (~16°C from hatching to 112 days post-hatching, dph; ~20°C from 117 to 358 dph) targeting a roughly balanced sex ratio. The fish were tagged with microchips between 61 and 96 dph in five tagging trials of 50 fish each; individual standard length (SL) was recorded through repeated biometric measurements performed between 83 to 110 dph via image analyses. Body weight (BW) was modelled using the traits measured on the digital pictures (i.e. area, perimeter and volume). At 117 dph, the fish were tagged with microtags and regularly measured for SL and BW until 335 dph. The experiment ended at 358 dph with the sexing of the fish. The sex-ratio at the end of the experiment was significantly in favor of the females (65.6% vs. 34.4%). The females were significantly longer and heavier than the males from 103 dph (~30 mm SL, ~0.44 g BW) to 165 dph, but the modeling of the growth curves suggests that differences in size already existed at 83 dph. A significant difference in the daily growth coefficient (DGC) was observed only between 96 and 103 dph, suggesting a physiological or biological change occurring during this period. The female-biased SSD pattern in European sea bass is thus strongly influenced by very early growth differences between sexes, as already shown in previous studies, and in any case long before gonadal sex differentiation has been started, and thus probably before sex has been determined. This leads to the hypothesis that early growth might be a cause rather than a consequence of sex differentiation in sea bass.
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