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Triportheus trifurcatus

Family: Characidae
Distribution: Triportheus trifurcatus is a benthopelagic freshwater species found in the Tocantins-Araguaia River basin, Brazil.
PH: 6.0 – 7.5
Temperature: 24°C – 27C (75 – 81F)
Hardness: 1 – 18

Description: Triportheus trifurcatus can reach a maximum length of about 17 cm.  This deep-bodied species has a silver-yellowish colouration and 5 – 6 longitudinal [...]

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Triportheus signatus

Family: Characidae
Distribution: Triportheus signatus is a benthopelagic freshwater species found in South America’s Parnaiba River basin and in some of Brazil’s north eastern coastal drainages.
PH: 6.0 – 7.5
Temperature: 24°C – 27C (75 – 81F)
Hardness: 1 – 18

Description: Triportheus signatus can reach a maximum length of about 16 cm.  This deep-bodied species [...]

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Triportheus rotundatus (Catalina Tetra)

Family: Characidae
Distribution: Triportheus rotundatus, commonly known as the Catalina Tetra, is a benthopelagic freshwater species found in South America’s Amazon River basin and in coastal drainages of the Guianas.  It can generally be found in rivers and creeks that have very little current.
PH: 6.0 – 7.5
Temperature: 24°C – 27C (75 – 81F)
Hardness: 1 [...]

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Triportheus pictus

Family: Characidae
Distribution: Triportheus pictus is a benthopelagic freshwater species that is found in South America’s Amazon River basin, in Brazil.  It has been collected from the Rio Hyutahy, Rio Jutai and the Solimoes tributary.
PH: 6.0 – 7.0
Temperature: 22°C – 28C (72 – 82F)
Hardness: 0 – 15

Description: Triportheus pictus can reach a [...]

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Triportheus paranensis (Tetra)

Family: Characidae
Distribution: Triportheus paranensis, sometimes known as Tetra, is a benthopelagic freshwater species that is found in South America’s La Plata River, throughout the Parana River, and in the Cuenca del Bermejo in Salta.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus paranensis can reach a [...]

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Triportheus pantanensis

Family: Characidae
Distribution: Triportheus pantanensis is a benthopelagic freshwater species that is found in South America’s Rio Paraguay and the lower Rio Parana basin.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus pantanensis can reach a maximum length of about 16 cm.  This deep-bodied species has a [...]

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Triportheus orinocensis

Family: Characidae
Distribution: Triportheus orinocensis is a benthopelagic freshwater species that is found in South America’s Rio Orinoco basin, in Venezuela.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus orinocensis can reach a maximum length of about 14 cm.  This deep-bodied species has a yellow-brownish colour and [...]

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Triportheus nematurus

Family: Characidae
Distribution: Triportheus nematurus is a benthopelagic freshwater species that is found in South America’s Parana – Paraguay River basin.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus nematurus can reach a maximum length of 18.3 cm.  This deep-bodied species has a silvery-yellow colouration and a [...]

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Triportheus magdalenae

Family: Characidae
Distribution: Triportheus magdalenae is a benthopelagic freshwater species that is found in South America’s Magdalena River basin, in Columbia.  It is the only member of this genus known from this region.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus magdalenae can reach a maximum length [...]

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Triportheus guentheri

Family: Characidae
Distribution: Triportheus guentheri is a benthopelagic freshwater species that is distributed in the Sao Francisco River basin, South America.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus guentheri can reach a maximum length of 14 cm.  It has often been confused with Triportheus brachipomus, but [...]

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Triportheus elongatus (Elongate Hatchetfish)

Family: Characidae
Distribution: Triportheus elongatus, commonly known as Elongate Hatchetfish, is a benthopelagic freshwater species that is distributed in the Amazon, Orinoco and Essequibo River basins, as well as parts of Trinidad.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus elongatus can reach a maximum length of [...]

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Triportheus curtus

Family: Characidae
Distribution: Triportheus curtus is a benthopelagic freshwater species that is distributed in South America’s Amazon River basin.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus curtus is a deep-bodied member of the Triporthus genus that can reach a maximum length of 10.7 cm.  It [...]

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Triportheus culter

Family: Characidae
Distribution: Triportheus culter is a benthopelagic freshwater species that is distributed in South America’s Amazon River basin.  It has been collected from the small tributaries of the Ampiyacu River and also from the Ucayali River to the mouth of the Rio Negro.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 [...]

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Triportheus brachipomus

Family: Characidae
Distribution: Triportheus brachipomus is a benthopelagic freshwater species that is distributed in South America’s Rio Orinoco, Essequibo River, Courantijne River, Maroni River, Demerara River and the Araguari drainages.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus brachipomus is an elongated Triporthus species that can [...]

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Triportheus auritus

Family: Characidae
Distribution: Triportheus auritus is a benthopelagic freshwater species distributed in Brazil’s Amazon River, the Tocantins and Araguia basins, and the Orinoco River basin, Trinidad.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus auritus is an elongated Triporthus species that can reach up to 24 cm [...]

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Triportheus angulatus (Dusky Narrow Hatchetfish)

Family: Characidae
Distribution: Triportheus angulatus, otherwise known as the Dusky Narrow Hatchetfish, is a river-dwelling species that is distributed in the waters of Argentina, Bolivia, Brazil, Peru, Venezuela and Ecuador.
PH: 5.0 – 7.5
Temperature: 22°C – 30C (72 – 86F)
Hardness: 0 – 20

Description: Triportheus angulatus males can reach a maximum length of around [...]

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Triportheus albus

Family: Characidae
Distribution: Triportheus albus is distributed in the Amazon, Tocantins and Araguaia basins, South America.
PH: 5.0 – 7.0
Temperature: 22°C – 30C (72 – 86F)
Hardness: 1 – 15

Description: Triportheus albus can reach a maximum length of 15 cm in an aquarium.   This species has a pointed head and a snout that looks [...]

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Trinectes maculatus (Hogchoker)

Family: Achiridae
Distribution: Trinectes maculatus, commonly known as the Hogchoker, has its origins in the Western Atlantic, from Massachusetts and the northern Gulf o Mexico down to Venezuela, South America.  This species is found in coastal and fresh waters, and can reach a depth of 75 metres.
PH: 6.0 – 8.0
Temperature: 5°C – 22C (41 [...]

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Toxotes jaculatrix (Banded Archerfish)

Family: Toxotidae
Distribution: Toxotes jaculatrix, commonly known as the Banded Archerfish, is a freshwater and brackish species found throughout Asia and Oceania, specifically from India to the Philippines and south to Indonesia, Solomon Islands, Vanuatu, Papua New Guinea, and northern parts of Australia.
PH: 7.0 – 8.0
Temperature: 25°C – 30C (77 – 86F)
Hardness: 18 – 30 [...]

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Anostomus ternetzi (Headstander)

Family: Anostomidae

Distribution: Anostomus ternetzi, better known as Headstander, is distributed in the fast-flowing rivers of South America.  It is seen in the Araguaia, Orinoco and Amazon River basis, as well as coastal rivers of Guianas.
PH: 5.5 – 7.5
Temperature: 24 – 28°C (76 – 84°F)
Hardness: 8 – 20 dH
Description: The Headstander, which can reach [...]

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Anostomus spiloclistron (False Three-Spotted Anostomus)

Family: Anostomidae

Distribution: The South American species Anostomus spiloclistron is distributed in the Nickerie River basin, Suriname.
PH: 5.0 – 6.0
Temperature: 24 – 28°C (75 – 84°F)
Hardness: 5 – 12 dH
Description: There is little descriptive information on Anostomus spiloclistron available.  This large South American Headstander can reach up to 16 cm in length.  Like other [...]

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Anostomus plicatus

Family: Anostomidae

Distribution: The species Anostomus plicatus is distributed in South America’s Essequibo River basin.
PH: 5.0 – 6.0
Temperature: 24 – 28°C (75 – 84°F)
Hardness: 5 – 12 dH
Description: There is little information on Anostomus plicatus available.  This freshwater species can reach up to 10 cm in length.
Diet: We can presume that this species, like [...]

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Anostomus longus

Family: Anostomidae

Distribution: The species Anostomus longus is distributed throughout the upper Amazon region of Peru, South America.
PH: 6.0 – 7.0
Temperature: 24 – 27°C (75 – 81°F)
Hardness: 3 – 16 dH
Description: There is little information on Anostomus longus within the hobby.  It has many similarities to – and is in fact a sub-species of [...]

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Anostomus intermedius

Family: Anostomidae

Distribution: The species Anostomus intermedius is distributed throughout Brazil’s Xingu River basin.
PH: N/A
Temperature: N/A
Hardness: N/A
Description: There is little information on Anostomus intermedius within the hobby.
Diet: N/A
Breeding: There is little information on this species’ breeding habits.  It most likely breeds in a similar fashion to Anostomus anostomus.  You might consider increasing the temperature [...]

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Anostomus brevior

Family: Anostomidae

Distribution: The species Anostomus brevior is distributed in shallow rivers and creeks, specifically the Oyapock River basin in French Guiana.
PH: 5.0 – 6.0
Temperature: N/A
Hardness: N/A
Description: Anostomus brevior will generally reach around 12 cm in length. This species is less commonly seen in the aquarium world than other Anostomidae.  It is quite abundant [...]

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Anostomus anostomus (Striped Headstander)

Family: Anostomidae

Distribution: The species Anostomus anostomus, better known as Striped Headstander, is distributed in South America’s Orinoco and Amazon River basins, the rivers of Venezuela and Columbia, and there are reports it has been seen in Suriname.
PH: 6.0 – 8.0
Temperature: 22 – 28°C (72 – 84°F)
Hardness: 5 – 12 dH
Description: The Striped Headstander [...]

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Anostomus ternetzi (Headstander)

Family: Anostomidae

Distribution: Anostomus ternetzi, better known as Headstander, is distributed in the fast-flowing rivers of South America.  It is seen in the Araguaia, Orinoco and Amazon River basis, as well as coastal rivers of Guianas.
PH: 5.5 – 7.5
Temperature: 24 – 28°C (76 – 84°F)
Hardness: 8 – 20 dH
Description: The Headstander, which can reach [...]

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Abramites hypselonotus (Marbled Headstander)

Family: Anostomidae

Distribution: Abramites hypselonotus is distributed in the South American waters of Orinoco, Amazon, Paraguay and the lower Parana River basins.  They are typically found in fast-flowing waters and rivers with plenty of rocks.
PH: 6.0 – 7.5
Temperature: 23 – 27°C (73 – 81°F)
Hardness: 2 – 18 dH
Description: The Marbled Headstander can reach a [...]

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Dermogenys pusillus (Wrestling Halfbeak)

Family: Hemiramphidae
Distribution: Dermogenys pusillus, better known as Wrestling Halfbeak, is found in Thailand, Indonesia, Myanmar, Bangladesh and India.  It is distributed in medium-large rivers and stagnant waters, particularly in areas that have floating plants.
PH: 7.0 – 8.0
Temperature: 24°C – 28°C (75 – 84F)
Hardness: 9 – 19 dH

Description: Dermogenys pusillus can reach up to [...]

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Campylomormyrus rhynchophorus (Double-nosed Elephant Nose)

Family: Mormyridae
Distribution: Campylomormyrus rhynchophorus, otherwise known as the double-nosed Elephant Nose, is a species distributed in the affluent River Kasai, in Angola and the Democratic Republic of Congo.
PH: 5.0 – 7.5
Temperature: 22°C – 24°C (70 – 76F)
Hardness: 3 – 12 dH

Description: Campylomormyrus rhynchophorus can reach a maximum length of 22 cm.  This species, [...]

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Campylomormyrus cassaicus (Donkey-faced Elephant Nose)

Family: Mormyridae
Distribution: Campylomormyrus cassaicus, otherwise known as the Donkey-faced Elephant Nose, is a species distributed in the affluent River Kasai, in Angola and the Democratic Republic of Congo.
PH: 6.0 – 7.5
Temperature: 23°C – 28°C (73 – 82F)
Hardness: 3 – 12 dH

Description: Campylomormyrus cassaicus, a truly bizarre looking species, can reach a maximum length [...]

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balantiocheilos melanopterus (Bala Shark/Silver Shark)

Family: Cyprinidae
Distribution: Balantiocheilos melanopterus, or Bala Shark, is distributed throughout the Mekong and Chao Phraya basins, the Malay Peninsula, and parts of Sumatra and Borneo.  It is found in mid-sized rivers and lakes at a mid-range depth.
PH: 6.0 – 8.0
Temperature: 22°C -28°C (70 – 82F)
Hardness: 5 – 12 dH
Description: Balantiocheilos melanopterus can reach the reasonable [...]

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Monocirrhus polyacanthus (South American Leaf Fish)

Monocirrhus polyacanthus (South American Leaf Fish)
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Toxotes jaculatrix (Archer Fish)

Toxotes jaculatrix (Archer Fish)
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Labeo cyclorhynchus (Variegated Shark)

Labeo cyclorhynchus (Variegated Shark)
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Balantiocheilos melanopterus (Silver Shark)

Balantiocheilos melanopterus (Silver Shark)
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Epalzeorhynchos bicolor (Albino Redtail Shark)

Epalzeorhynchos bicolor (Albino Redtail Shark)
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Gnathonemus petersii (Elephantnose Fish)

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Garra lissorhynchus (Redtail Garra)

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Garra flavatra (Panda Garra)

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