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Edit Nannostomus mortenthaleri

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Name

Scientific name

Nannostomus mortenthaleri

Described by

Authority Paepke & Arendt, Year 2001

Family

Lebiasinidae

Common names

Coral Red Pencilfish

Photograph credits

All 12 credited

Summary

The coral red pencilfish, Nannostomus mortenthaleri, is a lebiasinid that appears endemic to the Nanay basin and Río Tigre system in Loreto…

Size and aquarium

Maximum size

30mm, standard length

Aquarium size

Minimum length 90 cm, Minimum depth 30 cm, Water movement Low: still or sluggish water

Water

Water conditions

Temperature 24–28°C, pH 4–7

Hardness

1–5dGH

Conductivity

Not recorded

Behaviour

Temperament

Peaceful

Social needs

A shoal or group

Community suitability

Not for a community

Where it lives

Countries, regions, rivers and lakes

Peru, Nanay, Tigre

Writing

Etymology

Nannostomus: from the Latin nannus, meaning 'small', and Greek stoma, meaning 'mouth', in reference to the small mouthparts of member species. mortenthaleri: n…

Distribution

Type locality is 'Small tributary of Rio Nanay at the village of Alvarenga, Loreto, Province of Maynas (=Iquitos), 3°31'10"S, 74°25'40"W, Peru', and this speci…

Habitat

Inhabits sluggish tributaries, small rivers and swampy areas, particularly in areas with dense growth of aquatic vegetation or submerged woody structures and l…

Aquarium size

Base dimensions of at least 90 ∗ 30 cm or equivalent are necessary if you wish to keep a mixed-sex group since males can be particularly aggressive towards one…

Maintenance

Should ideally be kept in a heavily-planted set-up, preferably with a dark substrate. The broken lines of sight that exist in such a display allow it to displa…

Water conditions

Not written yet

Diet

A micropredator feeding on tiny invertebrates and other zooplankton in nature. In the aquarium it will accept dried foods of a suitable size but should also be…

Behaviour and compatibility

Peaceful with other species but does not make an ideal community fish due to its small size and rather timid nature. Ideally it should be maintained alone or a…

Sexual dimorphism

Adult males are noticeably less stocky and far more colourful than females, plus they exhibit a white marking at the anterior dorsal-fin base from quite a youn…

Reproduction

Has been achieved in aquaria, albeit rarely, and in a densely-planted, mature aquarium it's possible that small numbers of fry may start to appear without inte…

Notes

This species is traded under various other names including 'red arc pencilfish', 'Peruvian red pencilfish', 'ruby red pencilfish', 'red pencilfish', and Nannos…

References

References

6 on this profile