Overview
Distribution
South America: Southern Brazil.
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de Melo, F.A.G. and P.A. Buckup 2006 Astyanax henseli, a new name for Tetragonopterus aeneus Hensel, 1870 from southern Brazil (Teleostei: Characiformes). Neotrop. Ichthyol. 41(1):45-52. (Ref. 56653)
http://www.fishbase.org/references/FBRefSummary.php?id=56653&speccode=62646
© FishBase
Source:
FishBase
Trusted
Physical Description
Morphology
Dorsal soft rays (total): 10 - 11; Analsoft rays: 25 - 33
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de Melo, F.A.G. and P.A. Buckup 2006 Astyanax henseli, a new name for Tetragonopterus aeneus Hensel, 1870 from southern Brazil (Teleostei: Characiformes). Neotrop. Ichthyol. 41(1):45-52. (Ref. 56653)
http://www.fishbase.org/references/FBRefSummary.php?id=56653&speccode=62646
© FishBase
Source:
FishBase
Trusted
Size
Max. size
10.8 cm SL (male/unsexed; (Ref. 56653))
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de Melo, F.A.G. and P.A. Buckup 2006 Astyanax henseli, a new name for Tetragonopterus aeneus Hensel, 1870 from southern Brazil (Teleostei: Characiformes). Neotrop. Ichthyol. 41(1):45-52. (Ref. 56653)
http://www.fishbase.org/references/FBRefSummary.php?id=56653&speccode=62646
© FishBase
Source:
FishBase
Trusted
Diagnostic Description
Diagnosis: Distinguished from its congeners except A. saguazu and A. elachylepis by the presence of a second vertically elongate humeral spot (vs. one humeral spot). It differs from saguazu, elachylepis, and fasciatus species complex by the autapomorphic presence of a space between the dentary teeth, which are relatively slender, with cusps positioned close to one another, and by the presence of a maximum of five cusps in each dentary tooth (vs. maximum of 7 cusps). Differs from fasciatus, rutilus, and elachylepis by the presence of 2 - 5, usually 5, tricuspid teeth on the anterior margin of maxilla (vs. 1 - 2 teeth, usually 1, on anterior margin of maxilla) (Ref. 56653).
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de Melo, F.A.G. and P.A. Buckup 2006 Astyanax henseli, a new name for Tetragonopterus aeneus Hensel, 1870 from southern Brazil (Teleostei: Characiformes). Neotrop. Ichthyol. 41(1):45-52. (Ref. 56653)
http://www.fishbase.org/references/FBRefSummary.php?id=56653&speccode=62646
© FishBase
Source:
FishBase
Trusted
Ecology
Habitat
Conservation
Threats
Not Evaluated
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IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
http://www.fishbase.org/references/FBRefSummary.php?id=57073
© FishBase
Source:
FishBase
Trusted
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