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Peckoltia sp.

L038

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Last revised 2026Edit this page

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Young adult male specimen.
Young adult male specimen.Enrico Richter

Quick factsEdit

Max size
120mm SL5in SL
Aquarium size
120 × 30cm48 × 12in
Temp
23–29°C73–84°F
pH
6.0–7.5
Hardness
2–12dGH

Difficulty5 of 8 measures

Easy

How the rating is worked out

Space
large tank
Water
flexible
Temp
flexible
Diet
unknown
Temperament
territorial
Social
unknown
Compatibility
fine with others

Other demands

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

Hardiness
unknown

L038 is an unidentified Peckoltia, a suckermouth catfish collected near Mocajuba on the lower rio Tocantins in Pará state, Brazil. It is relatively peaceful but territorial with conspecifics and similarly-shaped species, and spawns in caves with the male responsible for brood care.

Etymology

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Peckoltia: named for German botanist and pharmacist Gustavo Peckolt who was born in Brazil, became a member of the Natural History Commission of Rondon, and published important books about Brazilian plants in the late 1800s alongside his father Theodor.

Distribution

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This unidentified species is collected in the vicinity of Mocajuba on the lower rio Tocantins in Pará state, Brazil.

Aquarium size

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Standard length
120mm SL5in SL
Aquarium base
120 × 30cm48 × 12in
Volume
~108litres~29US gal

An aquarium with base dimensions of 120 ∗ 30 cm48 ∗ 12 in or equivalent should be the smallest considered.

Maintenance

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Not difficult to maintain under the correct conditions; we strongly recommend keeping it in a tank designed to simulate a flowing stream with a substrate of variably-sized rocks, sand, fine gravel, and some water-worn boulders.

This can be further furnished with driftwood branches, terracotta pipes, plant pots, etc., arranged to form a network of nooks, crannies, and shaded spots, thus providing broken lines of sight.

Water conditions

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Temperature
23–29°C73–84°F
pH
6.0–7.5
Hardness
2–12dGH

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

Wild specimens are probably omnivorous foragers but with a preference for aquatic invertebrates and suchlike.

In the aquarium it does best when offered a varied diet comprising sinking dried foods, frozen Daphnia, mosquito larvae, chironomid larvae (bloodworm), and prawn/shrimp, for, example, plus some fresh fruit, parboiled potato, etc.

Home-made foods using a mixture of natural ingredients bound with gelatin are very useful since they can be tailored to contain fresh vegetables, Spirulina and meatier ingredients.

Behaviour and compatibility

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Relatively peaceful but territorial with conspecifics and similarly-shaped species.

Sexual dimorphism

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Adult males possess a series of odontodes on the rear portion of the body, pectoral fins and opercle.

Reproduction

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Cave-spawner with the male responsible for brood care.

References

  1. Stawikowski, R., A. Werner and I. Seidel (2004). DATZ Special: L-Numbers. DATZ, 1-132

Distribution

Profile completeness19 of 24

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