Overview

Distribution

Central America: Mexico.
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Mexico.
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Physical Description

Size

Max. size

4.4 cm SL (male/unsexed; (Ref. 40526))
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Diagnostic Description

Eye diameter larger than snout length. Breast naked. Mouth very oblique. Tuberculation heavy especially on central dorsum of pectoral fins of breeding males, on chin, and spineless on lips. Mature breeding males with bronze underparts including fins. Anal and paired fins with white borders. Body dark, including venter, with large, sparse melanophores, most noticeable in mature males. Other sexes with lateral band as wide or wider than eye, especially around midsides in females (Ref. 40526).
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Type Information

Paratype for Cyprinella alvarezdelvillari Contreras-Balderas & Lozano
Catalog Number: USNM 308111
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): S. Contreras-Balderas & et al.
Year Collected: 1988
Locality: Durango, Mexico, Rio Nazas, Arroyo En Balneario Belem, 7 km SE Penon Blanco, Durango, Mexico, North America
  • Paratype: Contreras-Balderas & Lozano. 19 Dec. 1994. Copeia. 1994 (4): 898, figs 1-4.
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Ecology

Habitat

Habitat and Ecology

Systems
  • Freshwater
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Environment

benthopelagic; freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
CR
Critically Endangered

Red List Criteria
A1ace, B1+2c, C2b

Version
2.3

Year Assessed
1996
  • Needs updating

Assessor/s
Contreras-Balderas, S. & Almada-Villela, P.

Reviewer/s

Contributor/s
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Threats

Critically Endangered (CR) (A1ace, B1+2c, C2b)
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Wikipedia

Cyprinella alvarezdelvillari

The Tepehuan shiner (Cyprinella alvarezdelvillari) is a species of ray-finned fish in the Cyprinidae family, found only in Mexico.

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