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Hypoptopoma incognitum

Authority not recorded

Last revised 2026Edit this page

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Specimen pictured in the field, rio Tocantins basin, Brazil.
Specimen pictured in the field, rio Tocantins basin, Brazil.Adam Carvalho

Quick factsEdit

Max size
95mm SL3.7in SL
Aquarium size
80 × 30cm31 × 12in
Temp
23.9–27.8°C75–82°F
pH
not recorded
Hardness
1–10dGH

Difficulty3 of 8 measures

Easy

How the rating is worked out

Space
medium tank
Water
flexible
Temp
needs a steady temperature
Diet
unknown
Temperament
unknown
Social
unknown
Compatibility
unknown

Other demands

Each of these can raise the rating on its own, whatever the measures above say.

Hardiness
unknown

Hypoptopoma incognitum is a loricariid catfish described from the Río Itenez, northeastern Bolivia, and the most widespread member of its genus. It has been recorded through much of the central and lower Amazon basin, the rio Tocantins, and some minor rivers draining straight into the Atlantic in northeastern Brazil.

Distribution

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Type locality is the Río Itenez, Beni department, northeastern Bolivia but is the most widely-distributed member of the genus and has been recorded from much of the central and lower Amazon basin plus the rio Tocantins and some minor rivers draining directly into the Atlantic Ocean in northeastern Brazil.

Type locality is the Río Itenez, Beni department, northeastern Bolivia but is the most widely-distributed member of the genus and has been recorded from much of the central and lower Amazon basin plus the rio Tocantins and some minor rivers draining directly into the Atlantic Ocean in northeastern Brazil.

Aquarium size

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Standard length
95mm SL3.7in SL
Aquarium base
80 × 30cm31 × 12in
Volume
~72litres~19US gal

Minimum base dimensions of 80 ∗ 30 cm31 ∗ 12 in are recommended.

Maintenance

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Minimum base dimensions of 80 cm x 30 cm are recommended.

Water conditions

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Temperature
23.9–27.8°C75–82°F
pH
not recorded
Hardness
1–10dGH

Temperature: 23.9 – 27.8 °C75 – 82 °F

pH: 6.0 - 7.5

Hardness: 1 - 10°H

These recommendations come from this profile’s own figures. They contain affiliate links, so we may earn a commission.

Minimum base dimensions of 80 cm x 30 cm are recommended.

Behaviour and compatibility

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Minimum base dimensions of 80 cm x 30 cm are recommended.

Sexual dimorphism

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Minimum base dimensions of 80 cm x 30 cm are recommended.

Reproduction

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Minimum base dimensions of 80 cm x 30 cm are recommended.

Notes

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Minimum base dimensions of 80 cm x 30 cm are recommended.

References

  1. Aquino, A. E. and S. A. Schaefer (2010). Systematics of the genus Hypoptopoma Günther, 1868 (Siluriformes, Loricariidae). Bulletin of the American Museum of Natural History 336, 1-110