[["Aquarium fish are diurnal, meaning they require an average of 8 to 12 hours of rest a day. Most species will be active during the day when light is in abundance and only retire into their caves and what have you at night.", 332.0], ["How long an Aquarium fish sleeps will depend on the species as some are bigger lazy-bones than others, though most species rest for a duration anywhere from 8 hours to 12 hours.", 223.0], ["The length of time a fish sleeps depends on the species. Many fish are active during the day and sleep during the night just like you do. Other fish sleep during the day. Some fish sleep only a few hours, while others sleep longer. Fish have no eyelids, so they can't close their eyes to sleep!", 122.0]]
how long do fish sleep
animals,fish,goldfish,lifespan