How big does a Geophagus get?

What does a Geophagus look like with a dark spot?

It has a dark spot in the middle of its body and a brownish bar running vertically across the eye. This species is one of the more aggressive species of Geophagus available, but it can and indeed should be kept in groups no smaller than five in a larger aquarium.

Are there any undescribed species of Geophagus?

There’?s also another undescribed Geophagus species from the lower Tapajós which has a smaller dark marking on each flank, lacks the orange head colouration and has appeared in the trade as G. sp. ‘Tapajós II’.

Is there an orange head Geophagus in the Araguaia or Xingú?

However it’s now known for certain is that there exists no ‘orange head’ Geophagus species in the Araguaia or Xingú – it is in fact highly endemic and confined to the lower Tapajós. The ‘orange head Araguaia’ form mostly inhabits the main river channel while the more intensely-coloured variant occurs in the rio Arapiuns.

What is the history of the Araguaia?

First collected in 1991 by German aquarists Christop Seidel and Rainer Harnoss (Steinhaus, 2010) from the rio Tapajós, eastern Brazil. A second form which differs slightly in head colour and morphology later appeared in the trade as G. sp. ‘orange head Araguaia’, referring to the major tributary of the rio Tocantins.

What is Geophagus argyrostictus?

Geophagus argyrostictus, a new species of cichlid fish from the Rio Xingu, Brazil. Review of the Geographic Distribution of Fish Fauna of the Xingu River Basin, Brazil.

What does the name of the Araguaia mean?

The name of the Araguaia River means the “river of red macaws” in the local Tupi language. Since a long time ago, the river basin has been inhabited by the native South American peoples. In 1897, the French geographer and explorer Henri Coudreau partly explored the length of the river.

Where does the Araguaia River flow?

The Araguaia River flows for an impressive 1,187 miles in the South American nation of Brazil. Rainforests along the banks of the Araguaia River in the Brazilian state of Mato Grosso. The 2,627-kilometer long Araguaia River is one of the major rivers of Brazil.

Are there any national parks on the Araguaia River?

(November 2011) Several parts of the river’s course are protected by national parks and other reserves like the Emas National Park and the Araguaia National Park. The Araguaia has “beaches” – bright sandy banks that seam the stream from May to October.

How many forks does the Araguaia River have?

Roughly in the middle of its course the Araguaia splits into two forks (with the western one retaining the name Araguaia and the eastern one being called the Javaés River ). These later reunite, forming the Ilha do Bananal, the world’s largest river island.

What is the origin of the word Geophagus?

Geophagus: from the Greek geo, meaning ‘earth’, and phagos, meaning ‘ to eat’. argyrostictus: from the Greek argyros, meaning ‘silver’, and stiktos, meaning ‘spotted’, in reference to the silvery markings on the anterior portion of the flanks.

Is Araguaia a tributary of the Amazon River?

The combined watershed of Araguaia and Tocantins rivers (named the Araguaia Tocantins Basin) covers approximately 9.5% of Brazil’s national territory. This area is an integral part of the Amazon biome. However, the Araguaia River is not a tributary of the Amazon.

Which parts of the Araguaia River are protected?

Several parts of the river’s course are protected by national parks and other reserves like the Emas National Park and the Araguaia National Park. The Araguaia has “beaches” – bright sandy banks that seam the stream from May to October.

Is Araguaia a tributary of the Tocantin?

Though the Araguaia is treated as a tributary of the Tocantins, it is almost equal in volume to the latter at the confluence of both the rivers. At one point in its mid-course, the Araguaia splits into a fork enclosing the 320-kilometer long Bananal Island, which houses the National Park of Araguaia.

Is the Araguaia River part of the Amazon rainforest?

The combined watershed of Araguaia and Tocantins rivers (named the Araguaia Tocantins Basin) covers approximately 9.5% of Brazil’s national territory. This area is an integral part of the Amazon biome; however, the Araguaia River is not a tributary of the Amazon.

Where does the Araguaia River start and end?

It arises near the Brazilian town of Alto Araguaia in the eastern Mato Grosso state of Brazil in the Brazilian Highlands, and joins the Tocantins River at São João do Araguaia. Though the Araguaia is treated as a tributary of the Tocantins, it is almost equal in volume to the latter at the confluence of both the rivers.

What is a Geophagus steindachneri?

The handsome Redhump Eartheater Geophagus steindachneri is a fascinating type of fish known for “eating” the substrate of its aquarium. The word ‘geophagus’ literally means “earth eater” and is attributed to fish, like the Redhump Eartheater, who find food by grabbing mouthfuls of sand and gravel and sifting it to find food.

What is the length of the Araguaia River?

The Araguaia River (Portuguese: Rio Araguaia [ˈʁi.u ɐɾɐˈɡwaj.jɐ]) is one of the major rivers of Brazil, though it is almost equal in volume at its confluence with the Tocantins. It has a total length of approximately 2,627 km.

What is the significance of the Araguaia National Park?

Modern Significance A number of protected parks, like the Emas National Park and the Araguaia National Park, exist along the course of the Araguaia River. These parks manage to draw a large number of tourists to Brazil each year, benefiting the local economies of the region.

What does Araguaia stand for?

The Araguaia River (Portuguese: Rio Araguaia [ˈʁi.u ɐɾɐˈɡwaj.jɐ]) is one of the major rivers of Brazil, though it is almost equal in volume at its confluence with the Tocantins. It has a total length of approximately 2,627 km. Araguaia means “river of (red) macaws” in the Tupi language.

Where is the Tocantins River located?

The Tocantins is one of the largest clearwater rivers in South America. It rises in the mountainous district known as the Pireneus, west of the Federal District, but its western tributary, the Araguaia River, has its extreme southern headwaters on the slopes of the Serra dos Caiapós.

What biome is the Araguaia Tocantins basin?

The middle and lower basin of the river is in the Xingu-Tocantins-Araguaia moist forests ecoregion. The combined watershed of Araguaia and Tocantins rivers (named the Araguaia Tocantins Basin) covers approximately 9.5% of Brazil’s national territory. This area is an integral part of the Amazon biome.

How many animals live in the Amazon rainforest?

The Amazon Rainforest is home to more than 30% of all known animal species. Anaconda, river dolphin, and over 5,600 species of fish are some of the animals found in the Amazon basin. The Araguaia River, though a tributary of the Tocantins River, is in and of itself a major river in Brazil, measuring 2,627 kilometers in length.