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Cyprinodon atrorus

Bolson Pupfish
Collection Details

Specimens

Photos

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Records

Taxonomic Hierarchy

Actinopterygii (Ray-finned Fishes) Cyprinodontiformes Cyprinodontidae (Pupfishes) Cyprinodon Cyprinodon atrorus (Bolson Pupfish)

Description

This species account was compiled from FishBase (Froese, R. and D. Pauly. Editors. 2025. FishBase. World Wide Web electronic publication. www.fishbase.org, version 04/2025.) and processed using AI-assisted text extraction. It may contain errors in spelling, punctuation, or formatting. When citing, please reference the original source rather than this page. Learn more about our species accounts.

Characters

Body shape: Elongated.

Distribution

Central America: Río Salado and Cuatro Ciénegas systems in Mexico.

Habitat Associations

Freshwater. benthopelagic.

Biology

5.0 cm max TL (Ref. 2059). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).
Max length: 4.0 cm TL; common length: 3.4 cm TL.
Reproductive mode: dioecism; fertilization: external; nonguarders; parental care: none.
IUCN Red List Status: Endangered (EN), assessed 2018-09-26.

Commercial or Environmental Importance

Fisheries: commercial; aquarium: commercial.

References

Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Riehl, R. and H.A. Baensch (1991) Aquarien Atlas. Band. 1. Melle: Mergus, Verlag für Natur-und Heimtierkunde, Germany. 992 p.
Huber, J.H. (1996) Killi-Data 1996. Updated checklist of taxonomic names, collecting localities and bibliographic references of oviparous Cyprinodont fishes (Atherinomorpha, Pisces). Société Française d'Ichtyologie, Muséum National d'Histoire Naturelle, Paris, France, 399 p.
Jelks, H.L., S.J. Walsh, N.M. Burkhead, S. Contreras-Balderas, E. Díaz-Pardo, D.A. Hendrickson, J. Lyons, N.E. Mandrak, F. McCormick, J.S. Nelson, S.P. Platania, B.A. Porter, C.B. Renaud, J.J. Schmitter-Soto, E.B. Taylor and M.L. Warren Jr. (2008) Conservation status of imperiled North American freshwater and diadromous fishes. Fisheries 33(8):372-407.

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