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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]
A mature goldfish is more likely to eat directly from its owner's hand without evident hesitation. While this behavior is welcomed by goldfish owners, it may be problematic in outdoor ponds where predators may eat such friendly prey. Mature goldfish will also explore their surroundings through nibbling or grazing behavior.
Like ranchu, the bubble eye goldfish lacks a dorsal fin and has a double tail. [4] They normally grow up to 3 to 4 inches in length. If one of their "Bubbles" pop due to pressure or collision with a sharp object, there is a risk of infection where the inside of the sac has been exposed.
Within a week or so, the fry begins to assume its final shape, although a year may pass before they develop a mature goldfish colour; until then they are a metallic brown like their wild ancestors. In their first weeks of life, the fry grow quickly—an adaptation born of the high risk of getting devoured by the adult goldfish. Carp
This is a widespread behavior among teleost fish. [14] Male filial cannibalism during the mating phase is believed to be an adaptive response to female spawning-site preference. [ 14 ] Since females only lay eggs next to the youngest eggs, if there are older eggs in the front of the nest they can limit the number of additional eggs the male can ...
The limited-edition Goldfish bags are available to purchase online for $7.38 (Goldfish / The Campbell Soup Company) The snack that smiles back has announced a change to its iconic name.
Goldfish has just announced that it's embracing its more mature, sophisticated side with a fitting new name. As of today, Goldfish will now be known as Chilean Sea Bass crackers.
Nymph goldfish - It is similar to the fantail, except they have a single caudal fin and anal fin. Considered a byproduct of the breeding process due to recessive genes handed down from fantail or veiltail parents. Tamasaba goldfish (or Sabao goldfish) - It is similar to the ryukin, except they have a single caudal fin and anal fin. A rare type ...
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