Overview

Distribution

Coastal drainages from Rio de Janeiro to Santa Catarina states, Brazil.
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South America: Coastal drainages from Rio de Janeiro to Santa Catarina, Brazil.
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Physical Description

Size

Maximum size: 120 mm TL
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Max. size

9.8 cm SL (male/unsexed; (Ref. 37395))
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Ecology

Habitat

Environment

demersal; freshwater; pH range: 6.0 - 8.0; dH range: 2 - 25
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Life History and Behavior

Life Cycle

In captivity, as the sperm are released the female sinks to the bottoms, resting on one of her pectoral fins while she starts fanning with the other pectoral fin. At this time, some eggs are released which fall into the pelvic fin basket and are apparently fertilized at that time.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Scleromystax barbatus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 51
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

Banded corydoras

The banded corydoras or bearded catfish, Scleromystax barbatus, is a subtropical freshwater fish belonging to the Corydoradinae sub-family of the Callichthyidae family. It originates in coastal drainages in South America from Rio de Janeiro to Santa Catarina, Brazil.[1]

Taxonomy[edit]

It was originally described as Callichthys barbatus by Jean René Constant Quoy & Joseph Paul Gaimard in 1824, from which it was transferred to genus Corydoras as Corydoras barbatus, a name which by which it is still being referred to in the aquarium industry. The species was further transferred to genus Scleromystax in 2003.[2]

Description[edit]

The fish will grow in length up to 9.8 centimetres (3.9 in).[1] This species has pronounced sexual dimorphism. The dorsal and pectoral fins of males reach, or almost reach, the caudal peduncle, and well-developed odontodes are inserted in fleshy tissue on a large area on the sides of the snout in fully grown males.[3]

Habitat and ecology[edit]

The banded corydoras lives in a subtropical climate in water with a 6.0–8.0 pH, a water hardness of 2–25 dGH, and a temperature of 83 °F (28 °C).[1] It feeds on worms, benthic crustaceans, insects, and plant matter. It lays eggs in dense vegetation and adults do not guard the eggs. In captivity, as the sperm are released the female sinks to the bottom, resting on one of her pectoral fins while she starts fanning with the other pectoral fin. At this time, some eggs are released which fall into the pelvic fin basket and are apparently fertilized at that time.

In the aquarium[edit]

The banded corydoras is of commercial importance in the aquarium trade industry. Though peaceful, they get larger than most Corydoras and are therefore less suitable for small aquaria.[4]

See also[edit]

References[edit]

  1. ^ a b c Froese, Rainer and Pauly, Daniel, eds. (2011). "Scleromystax barbatus" in FishBase. December 2011 version.
  2. ^ Britto, Marcelo R. (December 2003). "Phylogeny of the subfamily Corydoradinae Hoedeman, 1952 (Siluriformes: Callichthyidae), with a definition of its genera" (PDF). Proceedings of the Academy of Natural Sciences of Philadelphia 153: 119–154. doi:10.1635/0097-3157(2003)153[0119:POTSCH]2.0.CO;2. ISSN 0097-3157. Retrieved 2009-06-25. 
  3. ^ Britto, Marcelo R.; Reis, Roberto E. (2005). "A new Scleromystax species (Siluriformes: Callichthyidae) from coastal rivers of Southern Brazil" (PDF). Neotropical Ichthyology 3 (4): 481–488. doi:10.1590/S1679-62252005000400005. 
  4. ^ Axelrod, Herbert R. (1996). Exotic Tropical Fishes. T.F.H. Publications. ISBN 0-87666-543-1. 
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