gills

How Much Oxygen Does Fish Need Per Day?

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How Much Oxygen Does Fish Need Per Day? Water Temperature Maximum Available D.O Minimum DO Requirement 20°C (68°F)9.2 mg/l7.8 mg/l 25°C (77°F) 8.2 mg/l 7.5 mg/l Do fish need lots of oxygen? To find out if airstones and added aeration are really necessary, let’s start with the basics. Fish need oxygen to fuel their metabolic

How Much Fish Sleep?

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How Much Fish Sleep? 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 cave