Ameca splendens
Ameca splendens
(Butterfly Splitfin)
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Ameca splendens Miller and Fitzsimons, 1971

Common name: Butterfly Splitfin

Synonyms and Other Names: butterfly goodeid

Taxonomy: available through www.itis.govITIS logo

Identification: Miller and Fitzsimons (1971); Sanford (1995) - photo.

Size: 10 cm.

Native Range: This species is confined to a very small area, the Río Ameca basin, on the Pacific Slope of western Mexico (Miller and Fitzsimons 1971).

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Interactive maps: Point Distribution Maps

Nonindigenous Occurrences: One individual was taken in November 1981 (museum specimen) and another in August 1983 from Rogers Spring, Nevada (Courtenay and Deacon 1983; Deacon and Williams 1984). Others were seen but not collected (Courtenay, personal communication).

Means of Introduction: Probably an aquarium release.

Status: Reported from Nevada. Records are more than 25 years old and the current status is not known to us.

Impact of Introduction: Unknown.

Remarks: This species is raised commercially for the aquarium industry in Florida (Robins et al. 1991b).

Voucher material from Nevada was deposited with Florida Atlantic University, but subsequently lost.

References: (click for full references)

Courtenay, W., Jr. - Florida Atlantic University, Boca Raton, FL.

Courtenay, W. R., Jr., and J. E. Deacon. 1983. Fish introductions in the American southwest: a case history of Rogers Spring, Nevada. Southwestern Naturalist 28:221-224.

Deacon, J. E., and J. E. Williams. 1984. Annotated list of the fishes of Nevada. Proceedings of the Biological Society of Washington 97(1):103-118.

Miller, R. R., and J. M. Fitzsimons. 1971. Ameca splendens, a new genus and species of Goodeid fish from western Mexico, with remarks on the classification of the Goodeidae. Copeia 1971(1):1-13.

Robins, C. R., R. M. Bailey, C. E. Bond, J. R. Brooker, E. A. Lachner, R. N. Lea, and W. B. Scott. 1991b. World fishes important to North Americans exclusive of species from the continental waters of the United States and Canada. American Fisheries Society Special Publication 21. American Fisheries Society, Bethesda, MD. 243 pp.

Other Resources:
FishBase Summary

Author: Fuller, P.

Revision Date: 4/15/2009

Peer Review Date: 4/1/2016

Citation Information:
Fuller, P., 2018, Ameca splendens Miller and Fitzsimons, 1971: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL,, Revision Date: 4/15/2009, Peer Review Date: 4/1/2016, Access Date: 1/16/2018

This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.

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Page Last Modified: Thursday, January 04, 2018


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Citation information: U.S. Geological Survey. [2018]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/16/2018].

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