Overview

Comprehensive Description

Astyanax latens ZBK :

CI-FML 3400, holotype , 43.0 mm, Argentina , Salta , Río Bermejo basin, arroyo El Oculto.

  • 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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Astyanax latens ZBK :

CI-FML 3400 , holotype , 43.0 mm, Argentina , Salta , Rio Bermejo basin, Arroyo El Oculto .

  • Juan Marcos Mirande, Gastón Aguilera, María de las Mercedes Azpelicueta (2007): A new species of Astyanax (Characiformes: Characidae) from the endorheic Río Salí basin, Tucumán, northwestern Argentina. Zootaxa 1646, 31-39: 32-32, URL:http://www.zoobank.org/urn:lsid:zoobank.org:pub:D83848ED-9E15-4C2C-A228-0288B2CAFBB9
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Distribution

Bermejo River basin, Argentina.
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South America: Bermejo River basin in Argentina.
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Physical Description

Size

Max. size

4.4 cm SL (male/unsexed; (Ref. 55782))
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Diagnostic Description

Distinguished by a combination of the following characters: somewhat rhomboidal body; 24-29 branched anal fin rays; 1-4 maxillary teeth; long pectoral fins (23.2-26.6% SL) always reaching one third of pelvic fin rays; long pelvic fins (17.6-22.0 % SL) always surpassing anal fin origin; anal fin base long (32.3-36.7% SL); 26-27 gillrakers on first branchial arch; lateral band extremely narrow; one large vertically elongated humeral spot and a second one very faint; relatively shallow caudal peduncle (10.0-11.4% SL); fifth tooth of inner premaxillary series very small and scarcely posterior to main series; origin of anal fin below dorsal fin (Ref. 55782).
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CI-FML 3400 , holotype , 43.0 mm, Argentina , Salta , Rio Bermejo basin, Arroyo El Oculto .

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Juan Marcos Mirande

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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
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