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Edit Megalechis picta

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Name

Scientific name

Megalechis picta

Described by

Authority Müller & Troschel, Year 1849, Bracketed

Family

Callichthyidae

Common names

Bar-tailed Hoplo

Photograph credits

All 4 credited

Summary

The bar-tailed hoplo, Megalechis picta, is a callichthyid catfish widely distributed east of the Andes in Brazil, Venezuela and Guyana. It …

Size and aquarium

Maximum size

120mm, standard length

Aquarium size

Minimum length 120 cm, Minimum depth 45 cm

Water

Water conditions

Temperature 18–28°C, pH 5–7.5

Hardness

15–20dGH

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, Guyana, Venezuela, Amazon, Essequibo, Orinoco

Writing

Etymology

Megalechis: from the Greek μέγας (mégas), meaning 'big, large', and λεκίς (lekis), meaning 'small shield', in reference to the greatly enlarged coracoid bones …

Distribution

Widely distributed east of the Andes mountains in Brazil, Venezuela, and Guyana with records existing from the Amazon, Orinoco and upper Essequibo river system…

Habitat

An adaptable species that has been observed in a wide range of habitats and can even tolerate hypoxic conditions.

Aquarium size

Minimum base dimensions of 120 ∗ 45 cm or equivalent are recommended.

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

Megalechis spp. are foraging omnivores and will accept most sinking dried foods, as well as small live and frozen varieties such as bloodworm, Tubifex, etc. On…

Behaviour and compatibility

Peaceful and hardy, although perhaps a little boisterous for communities containing much smaller or less robust species. It's an ideal resident of the larger S…

Sexual dimorphism

Adult males develop greatly enlarged pectoral-fin spines and grow larger than females.

Reproduction

Bubblenester. The nest is constructed by the male and it's useful if floating plants are included in the breeding set-up as they're typically incorporated into…

Notes

This species was previously referred to as M. thoracata, but that name is now applied to the species with a relatively short dorsal-fin spine which was itself …

References

References

3 on this profile