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Automated Measurements of Sleep and Locomotor Activity in Mexican Cavefish
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Current knowledge on the melatonin system in teleost fish.

J Falcón1, H Migaud, J A Muñoz-Cueto

  • 1CNRS, FRE3247 et GDR2821, Modèles en Biologie cellulaire et évolutive, Avenue Fontaulé, BP 44, F-66651 Banyuls-sur-Mer, Cedex, France. falcon@obs-banyuls.fr

General and Comparative Endocrinology
|May 5, 2009
PubMed
Summary
This summary is machine-generated.

This review explores melatonin

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Area of Science:

  • Comparative Endocrinology
  • Chronobiology

Background:

  • Melatonin is a conserved vertebrate hormone regulating daily and annual rhythms.
  • Understanding melatonin's role in photoperiodic effects is crucial, especially in fish where knowledge is limited.

Purpose of the Study:

  • To review current data on melatonin production, regulation, and receptors in fish.
  • To synthesize information on melatonin's effects on fish neuroendocrine functions and behaviors.
  • To discuss photoperiod manipulation for aquaculture applications.

Main Methods:

  • Literature review of in vivo and in vitro studies.
  • Analysis of data on melatonin production sites and mechanisms.
  • Examination of melatonin receptor subtypes, location, and regulation.

Main Results:

  • Identified key sites of melatonin production in fish.
  • Detailed mechanisms controlling daily and annual melatonin rhythms.
  • Characterized fish melatonin receptor subtypes and their regulation.
  • Reviewed melatonin's impact on reproduction, growth, feeding, and behavior.

Conclusions:

  • Melatonin plays a significant role in regulating fish physiology and behavior.
  • Photoperiod manipulation via melatonin offers potential for aquaculture advancement.
  • Further research is needed to fully elucidate melatonin's complex roles in fish.