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Edit Hoplisoma duplicareum

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Name

Scientific name

Hoplisoma duplicareum

Described by

Authority Sands, Year 1995, Bracketed

Family

Callichthyidae

Common names

Not recorded

Photograph credits

All 4 credited

Summary

Hoplisoma duplicareum, long known as Corydoras duplicareus, is an armoured catfish known only from a small portion of the upper rio Negro s…

Size and aquarium

Maximum size

50mm, standard length

Aquarium size

Water movement Low: still or sluggish water

Water

Water conditions

Temperature 20–26°C, pH 4–7

Hardness

1–5dGH

Conductivity

Not recorded

Behaviour

Temperament

Peaceful

Social needs

A shoal or group

Community suitability

Community-safe

Where it lives

Countries, regions, rivers and lakes

Brazil, Amazon, Negro, Poranga

Writing

Etymology

Corydoras: from the Ancient Greek κόρυς (korus), meaning 'helmet', and δορά (dora), meaning 'skin, hide of an animal', in allusion to the rows of bony plates o…

Distribution

Known only from a small portion of the upper rio Negro system in Brazil. Type locality is 'Rio Poranga, 8 kilometers north of the Nobua oba, prior to where it …

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Habitat

The type locality contained fast-flowing water and a sandy substrate at time of collection, and this species presumably inhabits pristine blackwater tributarie…

Aquarium size

Not written yet

Maintenance

Ideally use a substrate of fine sand, although rounded gravel is an acceptable alternative provided it’s kept scrupulously clean. Other décor is largely down t…

Water conditions

Not written yet

Diet

Corydoras spp. are foraging omnivores and will accept most sinking dried foods, as well as small live and frozen varieties such as chironomid larvae (bloodworm…

Behaviour and compatibility

Peaceful and gregarious. Should be maintained in a group of at least 4-6 individuals.

Sexual dimorphism

Females tend to grow larger, and sexually mature individuals are noticeably rounder and broader-bodied than males, especially when gravid.

Reproduction

Reported to deposit eggs either on the substrate or around the water line.

Notes

This species is among a number of congeners native to the rio Negro region to possess a colour pattern with an oblique dark bar running along the dorsal surfac…

References

References

4 on this profile