Are Fish Diurnal Or Nocturnal?

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

Are Koi Fish Jumpers?

Are Koi Fish Jumpers? While koi fish can jump, they will typically remain in the water unless something is wrong. Of course, if they are pushed up by a different fish, they may do a small jump. If they are jumping significantly enough to land outside the pond, though, something is wrong. There are several

Can Fish Be Friendly?

Can Fish Be Friendly? Researchers have found that fish recognize each other and gather information by eavesdropping. They’re capable of remembering past social interactions that they’ve had with other fish, and they show affection by rubbing against each other. Dr. Which is the friendliest fish? Tetras. You’re probably already familiar with tetras, but did you

Can Fish Be Emotional?

Can Fish Be Emotional? A recent study shows that fish are more emotionally complex than we give them credit for. Scientists at the University of Burgundy in France studied one called the convict cichlid, a monogamous fish species that forms long-lasting pairs. How can you tell if a fish is sad? If your fish is