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South American Blackwater Stream
BIOTOPE AQUARIA
A biotope aquaria is an aquarium that is set-up to simulate a natural habitat. The fish, plants, water chemistry, and furnishings are similar to those that can be found in a specific natural setting.
Always check compatibility! Some species from a particular habitat are not suitable tankmates. For example, the Peacock Bass will eat small tetras since they are their natural food in the wild.
The biotope aquarium can be adapted by adding species from disparate areas that have similar water requirements.
Mongabay.com is the sole effort of Rhett A. Butler, who has taken the photos and written all of the content found on the site. If you find mongabay.com a useful resource I hope that you may consider making a contribution to help support the site. You can also assist by purchasing biotope books using links on this page.
[Photos from various habitats/biotopes]
Freshwater fish species listed by country and ecosystem -- excellent resources for constructing biotope aquaria.
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South American Blackwater Stream
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Discus Biotope Aquarium
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Angelfish Biotope Aquarium
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Angelfish Biotope Aquarium
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Rio Negro, Brazil
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Rio Negro, Brazil
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South American Blackwater Stream
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Blackwater ponds, creeks, and rivers originate in the rain-forest. In the slow-moving waters, acids are leeched from decaying vegetation creating very transparent, tea-colored water. These waters have almost no measurable water hardness and an acidic pH.
The substrate in blackwater habitats is typically leaf litter over a base of fine clay or sand. Decaying wood and plant matter is common especially in flooded igapo forest. There are many submerged terrestrial plants, many of which retain most of their leaves.
ECOSYSTEMS:
Rio Negro
WATER:
pH: 4.5-6.5, 0-4 dH, 81-86 F (27-30 C)
TANK:
Furnish the tank with bog wood and a dark, fine gravel substrate.
There can be subdued lighting and still water.
Peat filtration is recommended.
PLANTS:
Sword plants, Heteranthera, Ceratophyllum, Vallisneria, Cabomba
FISH:
Discus, Angelfish, Dwarf Cichlids, Tetras, Hatchetfish, Corydoras, Farlowella, Loricarids.
PHOTOS:
Blackwater River:
Brazil,
Venezuela,
Rio Negro (Brazil),
Rio Negro (Brazil),
Rio Negro (Brazil),
Rio Negro (Brazil),
Mixing of Waters - Rio Negro and the Amazon,
Mixing of Waters - Rio Negro and the Amazon,
Brazil,
Brazil,
Rio Negro Beach,
Rio Negro Beach.
Blackwater Lake:
Brazil,
South American Blackwater Creek
Mountain blackwater creek:
Venezuela,
Venezuela,
Venezuela.
Blackwater creek:
Venezuela
Igapo:
Brazil,
Brazil,
Brazil,
Brazil,
Brazil,
Brazil.
Altum Angelfish Biotope Aquarium Pictures
Discus Biotope Aquarium Pictures
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Other Biotope Resources
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