diurnal fish

How Much Is A Moorish Idol?

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How Much Is A Moorish Idol? Item # Description Price 002826 Moorish Idol, Small: over 2-2.5′′, Hawaii * Restriction On Guarantee $149.99 002827 Moorish Idol, Medium: over 2.5-4.5′′, Hawaii * Restriction On Guarantee $159.99 002828 Moorish Idol, Large: over 4.5-6.5′′, Hawaii * Restriction On Guarantee$199.99 Are Moorish idols aggressive? Often seen alone, Moorish idols also

Are Fish Diurnal Or Nocturnal?

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Are Fish Diurnal Or Nocturnal? When Do Fish Sleep? Scientists believe that most fish have regular sleep schedules just like humans and other animals. Most aquarium fish are diurnal, meaning they move about during the day and rest at night. However, some species are nocturnal and prowl at night, spending daylight hours sleeping in a