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Fish have surprisingly good vision. Their eyes are similar to ours, but because their lenses are harder and more spherical, they see things more clearly close-up. However, while they’re able to see things in front of them, they struggle to see well in complete darkness. Fish can see in the dark as long as there’s … Read more
My Goldfish aquarium is in my bedroom and I don’t like lights on when I sleep. But is it the same with Goldfish? Do they like lights on or off during the night? Can Goldfish see in the dark? I am going to answer all the questions in this article. Goldfish can’t see in the … Read more
This deep-sea fish uses weird eyes to see in dark and light The pearlside contradicts previously held ideas about rods and cones FISHEYE Fish called pearlsides (Maurolicus muelleri, shown) have eyes adapted to see well in both the murky depths of the ocean and in brighter light at the surface. Wen-Sung Chung/University of Queensland Light-sensitive … Read more
Humans and many other vertebrates have three different light-sensitive proteins in the so-called cones of our retinas, and one other light-sensitive protein in the rods. The proteins in our cones work best under good light conditions and enable us to see color, while the proteins in our rods work under weaker light conditions to give … Read more
Have you ever noticed how your sudden movement in the vicinity of your aquarium sends your goldfish into a panic? The reason is the goldfishes’ vision can see distances only up to around 15 feet. Beyond that and any simple movement may startle your fish, unlike sudden close moves and gestures which preserve the relative … Read more
Some deep-sea fish may possess keen colour vision to thrive in the near total darkness of their extreme environment thanks to a unique genetic adaptation, scientists say. Researchers analysed the genomes of 101 fish species and found that three lineages of deep-sea fish, living up to about 1500 metres below the surface, boast a specialised … Read more
Can fish see in the dark? The quick answer is yes, many fish can see in the dark, but not all fish. Some fish can see in the dark without using their vision. As we dive into how fish see, we will compare fish vision to human vision, look at how fish see in the … Read more