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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.
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[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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Recent news
Governments, public failing to save world's species
(11/04/2009)
According to the International Union for the Conservation of Nature's (IUCN) 2008 report, released yesterday, 36 percent of the total species evaluated by the organization are threatened with extinction. If one adds the species classified as Near Threatened, the percentage jumps to 44 percent—nearly half.
Atlantic bluefin tuna should be banned internationally: ICCAT scientists
(10/29/2009)
Scientists with the International Commission for the Conservation of Atlantic Tuna (ICCAT) have said in a new report that a global ban on Atlantic bluefin tuna fishing is justified. ICCAT meets in November to decide if they will follow their scientist's recommendations.
The Yangtze River may have lost another inhabitant: the Chinese paddlefish
(10/22/2009)
In December of 2006 it was announced that the Yangtze River dolphin, commonly known as the baiji, had succumbed to extinction. The dolphin had survived on earth for 20 million years, but the species couldn't survive the combined onslaught of pollution, habitat loss, boat traffic, entanglement in fishing hooks, death from illegal electric fishing, and the construction of several massive dams. Now, another flagship species of the Yangtze River appears to have vanished.
Freshwater species worse off than land or marine
(10/15/2009)
Scientists have announced that freshwater species are likely the most threatened on earth. Extinction rates for freshwater inhabitants are currently four to six times the rates for terrestrial and marine species. Yet, these figures have not lead to action on the ground.
New species of ghostshark discovered off California's coast
(09/22/2009)
The discovery of Eastern Pacific black ghostshark Hydrolagus melanophasma is notable for a number of reasons. It is the first new species of cartilaginous fish—i.e fish whose skeletons are made entirely of cartilage, such as sharks, rays, and skate—to be described in California water since 1947. It is also a representative of an ancient and little-known group of fish.
Photos: new deep sea species discovered off the Canary Islands
(09/21/2009)
Owned by Spain, but located just off the northwest coast of Africa, the Canary Islands sport a wide variety of marine life, including five species of marine turtles, ten species of sharks and rays, and innumerable fish and invertebrates. However, a new expedition has gone beyond the known, sending a robot to depths of 500 meters to discover the secrets of the Canary Island's deep sea.
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