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Title
  • en Maternal effects and larval survival of marbled sole Pseudopleuronectes yokohamae
Creator
    • en Higashitani, Tomomi
    • en Nakaya, Mitsuhiro
    • en Joh, Mikimasa
    • en Takahashi, Toyomi
Accessrights open access
Subject
  • Other en Marbled sole
  • Other en Egg and larval size
  • Other en Starvation tolerance
  • Other en Feeding ability
  • Other en Maternal effect
  • NDC 487.77
Description
  • Abstract en Maternal effects of animals are the phenotypic influences of age, size, and condition of spawners on the survival and phenotypic traits of offspring. To clarify the maternal effects for marbled sole Pseudopleuronectes yokohamae, we investigated the effects of body size, nutrient condition, and growth history of adult females on egg size, larval size, and starvation tolerance, growth, and feeding ability of offspring. The fecundity of adult females was strongly dependent on body size. Path analysis revealed that the mother's total length positively affected mean egg diameter, meaning that large females spawned large eggs. In contrast, the relative growth rate of adult females negatively affected egg diameter. Egg diameters positively affected both notochord length and yolk sac volume of the larvae at hatching. Under starvation conditions, notochord length at hatching strongly and positively affected days of survival at 14 °C but not at 9 °C. Under adequate food conditions (1000 rotifers L− 1), the notochord length of larvae 5 days after hatching positively affected feeding rate, implying that large larvae have high feeding ability. In addition, the mean growth rate of larvae between 0 and 15 days increased with increasing egg diameter under homogenous food conditions, suggesting that larvae hatched from large eggs might have a growth advantage for at least to 15 days after hatching. In marbled sole, these relationships (i.e., mother's body size-egg size-larval size-larval resistance to starvation-larval feeding ability) may help explain recruitment variability.
Publisher en Elsevier
Date
    Issued2007-07
Language
  • eng
Resource Type journal article
Version Type AM
Identifier HDL http://hdl.handle.net/2115/25160
Relation
  • URI http://www.sciencedirect.com/science/journal/13851101
  • isVersionOf DOI https://doi.org/10.1016/j.seares.2007.01.005
Journal
    • PISSN 1385-1101
      • en Journal of Sea Research
      • Volume Number58 Issue Number1 Page Start78 Page End89
File
    • fulltext JSR.pdf
    • 564.23 KB (application/pdf)
      • Issued2007-07
Oaidate 2023-07-26