Embryonic and Larval Ontogeny of the Senegalese sole, Solea senegalensis Normal Patterns and Pathological Alterations

• Published in: The Biology of Sole pp. 216 - 252
• Main Authors: Sarasquete, C., Gisbert, E., Ortiz-Delgado, J.B.
• Format: Book Chapter
• Language: English
• Published: CRC Press 2019
• Edition: 1
• Subjects: Bulbus Arteriosus; Fish Larvae; Outer Plexiform Layer; Senegalese Sole; Common Sole; Exogenous Feeding; Haemal Arches; Phase P4; Eye Migration; Metamorphic Stages; Preural Centra; Solea Solea; Neural Arch; Flatfish Species; Gastric Glands; Intramembranous Ossification; Gill Arches; Larval Development; Atlantic Halibut; Plexiform Layer; Chloride Cells; Outer Nuclear Layer; Neural Spines
• ISBN: 9781498727839; 1498727832
• DOI: 10.1201/9781315120393-11

The Senegalese sole is a valuable food fish and one of the best candidates for aquaculture development along Mediterranean Sea and South Atlantic Ocean coasts. Suboptimal rearing temperatures can critically affect the embryonic development in flatfish species, compromising their hatching and growth performance as it has been shown by G. Dionisio et al. in Senegalese sole. The morphogenesis of Senegalese sole from fertilization to embryo formation follows the same basic pattern described for other flatfishes and many other altricial marine species, with small temporal differences depending upon species and rearing temperature. Interestingly, researches have been performed on Senegalese sole fertilized-eggs and about effects of daily thermo-and photoperiod cycles of different light spectrum on embryogenesis, hatching rates, and larval development. The development of the Senegalese sole forebrain is interesting due to the coincidence of several features. The retinal layering is completed in central and peripheral regions, coinciding with the first exogenous feeding in Senegalese sole.