Overview

Distribution

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

Size

Maximum size: 90 mm TL
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Max. size

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

Type for Callichthys adspersus
Catalog Number: USNM 41518
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Locality: Tabatinga Brazil, Brazil, South America
  • Type: Steindachner, F. 1877. Sitzungsberichte der Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. 74: 135, pl. XI: fig. 2.
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Ecology

Habitat

Environment

demersal; freshwater; pH range: 5.5 - 7.5; dH range: 2 - 20
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Life History and Behavior

Life Cycle

Builds a bubble nest (Ref. 1672).
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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

Porthole catfish

The porthole catfish or slender catfish, Dianema longibarbis, is a tropical freshwater fish belonging to the Callichthyinae sub-family of the Callichthyidae family. It originates in inland waters in South America, and is found in the Amazon River basin in Brazil and Peru.

The fish will grow in length up to 8.2 centimetres (3.2 in). It natively inhabits waters with a pH range of 5.5 to 7.5, a hardness of 2 - 20 DH, and a temperature of 22° - 26° C (72° - 79° F).

References

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