Overview

Distribution

South America: Upper Amazon River basin.
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Upper Amazon River basin: Brazil, Colombia and Peru.
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Physical Description

Size

Maximum size: 60 mm TL
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Max. size

5.1 cm SL (male/unsexed; (Ref. 37395))
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Type Information

Paralectotype; Syntype for Corydoras elegans Steindachner
Catalog Number: USNM 120252
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Year Collected: 1865
Locality: Cudajas Brazil, Amazonas, Brazil, South America
  • Paralectotype: Steindachner, F. 1877. Sitzungsberichte der Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. 74: 143.; Syntype: Steindachner, F. 1877. Sitzungsberichte der Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. 74 (1): 93.
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Paralectotype; Syntype for Corydoras elegans Steindachner
Catalog Number: USNM 216716
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): S. Thayer & D. Bourget
Locality: Brazil: Cudajas, Amazonas, Brazil, South America
  • Paralectotype: Steindachner, F. 1877. Sitzungsberichte der Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. 74: 143.; Syntype: Steindachner, F. 1877. Sitzungsberichte der Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. 74 (1): 93.
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Paralectotype for Corydoras elegans Steindachner
Catalog Number: USNM 41532
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Preparation: Illustration
Locality: Cudajas, Brazil, Amazonas, Brazil, South America
  • Paralectotype: Steindachner, F. 1877. Sitzungsberichte der Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. 74: 143.
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Paralectotype for Corydoras elegans Steindachner
Catalog Number: USNM 41531
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Locality: Cudajas, Brazil, Amazonas, Brazil, South America
  • Paralectotype: Steindachner, F. 1877. Sitzungsberichte der Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. 74: 143.
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Ecology

Habitat

Environment

demersal; freshwater; pH range: 6.0 - 8.0; dH range: 2 - 25
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Diseases and Parasites

Bacterial Infections (general). Bacterial diseases
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Life History and Behavior

Life Cycle

In captivity, male was reportedly territorial during the prespawning activities and female was usually hidden among the plant roots. Both sexes clean the underside of plant leaves. Eggs are fastened under the leaves and are also attached to roots of plants.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Corydoras elegans

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest; aquarium: commercial
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Wikipedia

Elegant corydoras

The elegant corydoras or elegant catfish, Corydoras elegans, is a tropical freshwater fish belonging to the Corydoradinae sub-family of the Callichthyidae family. It originates in inland waters in South America, and is found in the Upper Amazon River basin in Brazil, Colombia and Peru. The specific epithet elegans means elegant.

The fish's appearance is characterized by dark double longitudinal stripes. The dorsal fin is ornamented by a few gray dots, taking on an arching pattern in some individuals. The body has other gray and black markings on an olive background. Compared with other species of Corydoras, the body is not as tall in comparison to its length, and its eyes are set a bit lower. The fish will grow in length up to 5.1 centimetres (2.0 inches).

It lives in a tropical climate in water with a 6.0 - 8.0 pH, a water hardness of 2 - 25 dGH, and a temperature range of 22–26 °C (72–79 °F). It feeds on worms, benthic crustaceans, insects, and plant matter. Though it lays eggs in dense vegetation, adults do not guard them. In captivity, the male is reportedly territorial during the prespawning activities while the female is usually hidden among the plant roots. Both sexes clean the underside of plant leaves. Eggs are fastened under the leaves and are also attached to roots of plants.

In the aquarium[edit]

The elegant corydoras is of commercial importance in the aquarium trade industry. It tends to swim in the upper levels of the aquarium, instead of at the bottom as is common with most species of Corydoras, and does not seem to disturb the sediment as much.

See also[edit]

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