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The goldfish (Carassius auratus) is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is commonly kept as a pet in indoor aquariums, and is one of the most popular aquarium fish. Goldfish released into the wild have become an invasive pest in parts of North America and Australia. [4] [5]
“It’s just crazy to see something that, growing up, you go to the fair and you get a little goldfish in a bag. All of a sudden, you’re seeing one 14, 15 inches long,” he said. It’s not ...
A recent study in the Journal of Great Lakes Research shed light on the growing problem of goldfish proliferating outside of the proverbial fish bowl.
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Methods of aggression in fish vary widely by species, but some common examples are chasing, charging, biting, fin display, color changes, and flared gills. [1] Aggression is an important evolutionary pressure that increases an individual's access to resources while reducing overall conflict within the social group. [2]
The common goldfish usually resembles the wild carp more closely than the comet goldfish. Comets are sometimes said to display a wider variety of colors, but common goldfish also display many of the same types of colors, including red/white, blue, red, orange, yellow, and other two-toned colors like black/orange.
Half-moon angelfish, Yellow bar angelfish: Pomacanthus maculosus: No: Blue with yellow splotch-like marking on side. 50 cm (19.7 in) [12] Koran angelfish: Pomacanthus semicirculatus: No: Grey towards the face, becoming a navy blue towards the caudal fin with striking iridescent blue accents throughout. 40 cm (15.7 in) [13]
At around 600 miles wide and up to 6,000 meters (nearly four miles) deep, the Drake is objectively a vast body of water. To us, that is. To the planet as a whole, less so.