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Lake Gatun peacock bass: Bolivian Amazon basin including the Rio Madre de Dios, Beni, Mamoré, and Guaporé river drainages of Bolivia and Brazil; and in Rio Jamari, a tributary of the Rio Madeira. Cichla temensis Humboldt, 1821: speckled pavon, speckled peacock bass, three-barred peacock bass
Non-native peacock bass were accidentally introduced to Gatun Lake around 1967 [4] by a local businessman, [5] and have since flourished to become the dominant angling game fish in Gatun Lake. Locally called Sargento and believed to be the species Cichla pleiozona, [6] these peacock bass originate from the Amazon, Rio Negro, and Orinoco river ...
At the time it was formed, Gatun Lake was the largest man-made lake in the world. Lake Gatun encompasses approximately 180 square miles (470 km 2), a vast tropical ecological zone part of the Atlantic Forest Corridor and Eco-tourism on Gatun Lake has become a worthwhile industry for Panamanians. This impassable rain-forest around Gatun Lake has ...
At 3.2 kilometres (2.0 mi) from the river's mouth lies the Gatun Dam, which created Gatun Lake and provides hydroelectricity. Created in 1913 by the damming of the Chagres River, Gatun Lake is an essential part of the Panama Canal, which forms a water passage between the Atlantic Ocean and the Pacific Ocean, permitting ship transit in both directions.
The population of planktivorous fish can also be influenced through predation by piscivorous species such as marine mammals and aquatic birds. For example, planktivorous minnows in Lake Gatun experienced a rapid population decline after the introduction of peacock bass (Cichla ocellaris). [53]
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Gatun Lake, an artificial lake formed by the building of the Gatun Dam, carries vessels 24 km (15 mi) across the isthmus. It is the summit canal stretch, fed by the Gatun River and emptied by basic lock operations. From the lake, the Chagres River, a natural waterway enhanced by the damming of Gatun Lake, runs about 8.4 km (5 + 1 ⁄ 4 mi ...
Cichla ocellaris, sometimes known as the butterfly peacock bass ("peacock bass" is also used for some of its relatives), is a very large species of cichlid from South America, and a prized game fish. It reaches 74 cm (29 in) in length. [3] It is native to the Marowijne and Essequibo drainages in the Guianas, and the Branco River in Brazil.