The environment which living organisms inhabit is not constant and many factors, such as
light, temperature, and food availability, display cyclic and predictable variations. To adapt to …

The pineal organ of all vertebrates synthesizes and secretes melatonin in a rhythmic manner
due to the circadian rhythm in the activity of arylalkylamine N-acetyltransferase (AANAT)–the …

Flora and fauna evolved under natural day and night cycles. However, natural light is now
enhanced by artificial light at night, particularly in urban areas. This alteration of natural light …

Artificial light at night (ALAN) changes the natural rhythm of light and darkness and can
impair the biorhythms of animals, for example the nocturnal melatonin production of …

High-quality eggs are essential for the sustainability of commercial aquaculture production.
Melatonin is a potent candidate for regulating the growth and maturation of oocytes …

One of the many functions of melatonin in vertebrates is seasonal reproductive timing.
Longer nights in winter correspond to an extended duration of melatonin secretion. The …

Climate change is leading to an increase in the frequency and intensity of daily temperature
extremes in aquatic environments, posing a threat to ectothermic animals such as fishes …

Endocrine disrupting chemicals (EDCs) are endocrine-active chemical pollutants that disrupt
reproductive, neuroendocrine, cardiovascular and metabolic health across species. The …

Many broadcast spawning corals in multiple reef regions release their gametes with
incredible temporal precision just once per year, using the lunar cycle to set the night of …

There is currently innumerable evidence showing that the lunar cycle affects various
reproductive aspects in farm animals. However, there is very little information on the effect of …