Xiphophorus nigrensis (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Xiphophorus nigrensis" in English language version.

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cbif.gc.ca

"Xiphophorus nigrensis". Retrieved 12 Sep 2012.

doi.org

Vega-Cendejas, M. (2019). "Xiphophorus nigrensis". IUCN Red List of Threatened Species. 2019: e.T191790A2003276. doi:10.2305/IUCN.UK.2019-2.RLTS.T191790A2003276.en. Retrieved 19 November 2021.
Kang, J.H.; M. Schartl; R.B. Walter; A. Meyer (2013). "Comprehensive phylogenetic analysis of all species of swordtails and platies (Pisces: Genus Xiphophorus) uncovers a hybrid origin of a swordtail fish, Xiphophorus monticolus, and demonstrates that the sexually selected sword originated in the ancestral lineage of the genus, but was lost again secondarily". BMC Evolutionary Biology. 13 (25): 25. Bibcode:2013BMCEE..13...25K. doi:10.1186/1471-2148-13-25. PMC 3585855. PMID 23360326.
Molly R. Morris; Michael J. Ryan (April 1995). "Large body size in the pygmy swordtail Xiphophorus pygmaeus". Biological Journal of the Linnean Society. 54 (4): 383–395. doi:10.1111/j.1095-8312.1995.tb01044.x.
M. J. Ryan; B. A. Causey (1989). ""Alternative" mating behavior in the swordtails Xiphophorus nigrensis and Xiphophorus pygmaeus (Pisces: Poeciliidae)". Behavioral Ecology and Sociobiology. 24 (6): 341–348. Bibcode:1989BEcoS..24..341R. doi:10.1007/bf00293262. S2CID 20181010.

fishbase.org

Froese, Rainer; Pauly, Daniel (eds.). "Xiphophorus nigrensis". FishBase. August 2019 version.

harvard.edu

ui.adsabs.harvard.edu

Kang, J.H.; M. Schartl; R.B. Walter; A. Meyer (2013). "Comprehensive phylogenetic analysis of all species of swordtails and platies (Pisces: Genus Xiphophorus) uncovers a hybrid origin of a swordtail fish, Xiphophorus monticolus, and demonstrates that the sexually selected sword originated in the ancestral lineage of the genus, but was lost again secondarily". BMC Evolutionary Biology. 13 (25): 25. Bibcode:2013BMCEE..13...25K. doi:10.1186/1471-2148-13-25. PMC 3585855. PMID 23360326.
M. J. Ryan; B. A. Causey (1989). ""Alternative" mating behavior in the swordtails Xiphophorus nigrensis and Xiphophorus pygmaeus (Pisces: Poeciliidae)". Behavioral Ecology and Sociobiology. 24 (6): 341–348. Bibcode:1989BEcoS..24..341R. doi:10.1007/bf00293262. S2CID 20181010.

iucnredlist.org

Vega-Cendejas, M. (2019). "Xiphophorus nigrensis". IUCN Red List of Threatened Species. 2019: e.T191790A2003276. doi:10.2305/IUCN.UK.2019-2.RLTS.T191790A2003276.en. Retrieved 19 November 2021.

nih.gov

ncbi.nlm.nih.gov

Kang, J.H.; M. Schartl; R.B. Walter; A. Meyer (2013). "Comprehensive phylogenetic analysis of all species of swordtails and platies (Pisces: Genus Xiphophorus) uncovers a hybrid origin of a swordtail fish, Xiphophorus monticolus, and demonstrates that the sexually selected sword originated in the ancestral lineage of the genus, but was lost again secondarily". BMC Evolutionary Biology. 13 (25): 25. Bibcode:2013BMCEE..13...25K. doi:10.1186/1471-2148-13-25. PMC 3585855. PMID 23360326.

pubmed.ncbi.nlm.nih.gov

Kang, J.H.; M. Schartl; R.B. Walter; A. Meyer (2013). "Comprehensive phylogenetic analysis of all species of swordtails and platies (Pisces: Genus Xiphophorus) uncovers a hybrid origin of a swordtail fish, Xiphophorus monticolus, and demonstrates that the sexually selected sword originated in the ancestral lineage of the genus, but was lost again secondarily". BMC Evolutionary Biology. 13 (25): 25. Bibcode:2013BMCEE..13...25K. doi:10.1186/1471-2148-13-25. PMC 3585855. PMID 23360326.

researchgate.net

M. J. Ryan; B. A. Causey (1989). ""Alternative" mating behavior in the swordtails Xiphophorus nigrensis and Xiphophorus pygmaeus (Pisces: Poeciliidae)". Behavioral Ecology and Sociobiology. 24 (6): 341–348. Bibcode:1989BEcoS..24..341R. doi:10.1007/bf00293262. S2CID 20181010.

sciencedirect.com

Molly R. Morris; Michael J. Ryan (April 1995). "Large body size in the pygmy swordtail Xiphophorus pygmaeus". Biological Journal of the Linnean Society. 54 (4): 383–395. doi:10.1111/j.1095-8312.1995.tb01044.x.

semanticscholar.org

api.semanticscholar.org

M. J. Ryan; B. A. Causey (1989). ""Alternative" mating behavior in the swordtails Xiphophorus nigrensis and Xiphophorus pygmaeus (Pisces: Poeciliidae)". Behavioral Ecology and Sociobiology. 24 (6): 341–348. Bibcode:1989BEcoS..24..341R. doi:10.1007/bf00293262. S2CID 20181010.