Overview

Comprehensive Description

Astyanax paris ZBK :

MLP 9584, holotype , 75.6 mm, Argentina , Misiones , Río Uruguay basin, arroyo Fortaleza.

  • J. M. Mirande, G. Aguilera, M. D. L. M. Azpelicueta (2006): Astyanax endy (Characiformes: Characidae), a new fish species from the upper Río Bermejo basin, northwestern Argentina. Zootaxa 1286, 57-68: 59-59, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:89EB739D-FFDE-44FD-AD0F-9E51CC3392FD
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Biology

Inhabits streams with depths ranging from less than 1 m to over 2 m (Ref. 46822).
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Distribution

Upper Uruguay River basin in Misiones Province, Argentina.
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South America: upper Uruguay River basin in Misiones, Argentina.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 12; Analspines: 0; Analsoft rays: 21 - 27
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Size

Max. size

8.6 cm SL (male/unsexed; (Ref. 46822))
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Diagnostic Description

Distinguished from all Astyanax congeners by the possession of a shallow body (body depth 34.9-39.4% SL); 3-4 maxillary teeth; the insertion of the fifth tooth of the inner premaxillary series posterior to main series; presence of two humeral spots, second humeral spot distinctly vertically elongated and sometimes wider than the first; the presence of 34-36 perforated scales in the lateral series, and iv-v, 20-22 anal fin rays (Ref. 46822). Olive green, iridescent gold in color; red pigmentation on last 4 or 5 procurrent rays, unbranched principal rays and on 3 branched principal rays in each caudal fin lobe, except on distal portion of those rays; yellowish area bounding this red caudal portion; adipose fin and base of anal fins yellowish (Ref. 46822).
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Ecology

Habitat

Environment

demersal; freshwater; depth range 0 - ? m (Ref. 46822)
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Trophic Strategy

Inhabits streams with depths ranging from less than 1 m to over 2 m (Ref. 46822).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Astyanax paris

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 3
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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