Also known as Prussian carp, Gibel carp
species of fish (formerly considered a hybrid between Carassius auratus and Carassius carassius)
giebel
Carassius gibelio
SPECIES
via GBIF
The Prussian carp, silver Prussian carp or Gibel carp (Carassius gibelio) is a cyprinid of the genus Carassius in the subfamily Cyprininae, which includes other fish such as the Crucian carp, goldfish, and barbs. It is medium-sized when fully-grown, and does not exceed a weight of 3 kilograms (6.6 lb) and a length of 45 centimetres (18 in). They are usually silver, although other color variations exist. They are omnivorous and feed on plankton, invertebrates, plant material and detritus. Originally from Siberia or central Europe, they have been introduced to and are now inhabiting lakes, ponds, and slow-moving rivers throughout Europe, North America, and Asia.
Prussian carps are a highly invasive fish species in areas outside their native range. They reproduce and spread rapidly. In 2020, scientists demonstrated that a small proportion of fertilized Prussian carp eggs ingested by waterfowl survive passing through the digestive tract and hatch after being retrieved from the feces. Birds exhibit strong preference for fish eggs, while cyprinids produce hundreds of thousands of eggs at a single spawning event. These data indicate that despite the low proportion of eggs surviving the digestive tract of birds, endozoochory might provide a potentially overlooked dispersal mechanism of Prussian carps. If proven under natural circumstances, endozoochorous dispersal of invasive fish could be a strong conservation concern for freshwater biodiversity.
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