Publications

Click here for Caleb’s Google Scholar page.

*undergraduate/graduate student co-authors
67. Picq, S., Curtis, A.N., George, A., Larson, E.R., Thompson, M.E., Willink, P., McMahan, C.D., & L.S. de Souza. 2024. Biogeography of Greater Antillean Freshwater Fishes, with a Review of Competing Hypotheses. Journal of Freshwater Ecology 39(1): 2382454.

66. Massip-Veloso, Y.*, Hoagstrom, C., McMahan, C.D., & W.A. Matamoros. 2024. Biogeography of Greater Antillean Freshwater Fishes, with a Review of Competing Hypotheses. Biological Reviews 99(3): 901-927.

65. Melo, B.F., Conde-Saldaña, C.C., Villa-Navarro, F.A., McMahan, C.D., & C. Oliveira. 2024. Phylogeographic patterns of Cyphocharax from trans-Andean rivers and northward expansion to lower Middle America (Teleostei: Curimatidae). Journal of Fish Biology 105(1): 314-325.

64. Fuentes-Montejo, C.*, Aguirre, W., Elías, D.J., Barrientos, C., & C.D. McMahan. 2024. Niche overlap between sympatric cichlid species of the genus Rocio (Cichliformes: Cichlidae) in Guatemala. Ecology of Freshwater Fish 33(2): e12759.

63. Siddiqui, R., Swank, S., Ozark, A., Joaquin, F., Travis, M.P., McMahan, C.D., Bell, M.A., & Y.E. Stuart. 2024. Inferring the evolution of reproductive isolation in a lineage of fossil threespine stickleback, Gasterosteus doryssus. Proceedings of the Royal Society B 291(2021): 20240337.

62. Rodríguez-Machado, S.*, Elías, D.J., McMahan, C.D., Gruszkiewicz, A., Piller, K.R., & P. Chakrabarty. 2024. Disentangling Historical Relationships Within Poeciliidae (Teleostei: Cyprinodontiformes) Using Ultraconserved Elements. Molecular Phylogenetics and Evolution 190: 107965.

61. Nachman, M.W., …McMahan, C.D., …, & R.M. Zink. 2023. Specimen collection is essential for modern science. PLoS Biology 21(11): e3002318.

60. Piller, K.R., Parker, E., McMahan, C.D., Elías, D.J., & W.A. Matamoros. 2023. Highland Islands: Assessing Gene Flow Among Populations of an Aquatic Highland Endemic. Biological Journal of the Linnean Society blad137.

59. Angulo, A., Betts, J.T., González-Alemán, N.J., Castañeda, E., Elías, D.J., McMahan, C.D., & W.A. Matamoros. 2023. Freshwater fishes of Nicaragua: diversity, distributions and conservation status, with an annotated checklist of species and an identification guide to families. Zootaxa 5376(1): 1-89.

58. Barraza, J.E., McMahan, C.D., & V. Melara. 2023. Comentarios sobre algunos especímenes de la colección de peces del Museo Field de Chicago, Estods Uniods de Ameríca. Revista Realidad y Reflexión 56: 198-216.

57. Elías, D.J., McMahan, C.D., Alda, F., García-Alzate, C., Hart, P.B., & P. Chakrabarty. 2023. Phylogenomics of trans-Andean tetras of the genus Hyphessobrycon Durbin 1908 and colonization patterns of Middle America. PLos ONE 18(1): e0279924.

56. Rico, C.N.*, Hoagstrom, C.W., Elías, D.J., McMahan, C.D., & W.A. Matamoros. 2022. Biotic regionalization of freshwater fishes in Northern Middle America highlights high beta diversity created by prominent biogeographic barriers. Frontiers in Biogeography 14(4): e58095.

55. Contreras-MacBeath, T., Ardón, D.A.*, Quintana, Y., Angulo, A., Lyons, T., Lardizabal, C., McMahan, C.D., Elías, D.J., Matamoros, W.A., Barraza, J.E., González, R., Fuentes-Montejo, C.E.*, Armbruster, J.W., Carrasco, J.C., & M.B. Rodriguez. 2022. Freshwater Fishes of Central America: Distribution, Assessment, and Major Threats. Diversity 14(10): 793.

54. Mahadevan, G., Murugesan, P., Sreekanth, G.B., Miyamoto, K., & C.D. McMahan. 2022. First distributional record of Parascolopsis akatamae Miyamoto, McMahan, & Kaneko, 2020, a dwarf monocle bream (Perciformes, Nemipteridae) from Indian waters. Check List 18(5): 973-977.

53. Weller, H.I.*, López-Fernández, H., McMahan, C.D., & E.L. Brainerd. 2022. Feeding constraints facilitate the evolution of mouthbrooding in Neotropical cichlids. The American Naturalist 199(6): e197-e210.

52. Smith, W.L., Ghedotti, M.J., Domínguez-Domínguez, O., McMahan, C.D., Espinoza, E., Martin, R.P., Girard, M.G., & M.P. Davis. 2022. Investigations into the ancestry of the Grape-eye Seabass (Hemilutjanus macrophthalmos) reveal novel limits and relationships for the Acropomatiformes (Teleostei: Percomorpha). Neotropical Ichthyology 20(3): e21087598.

51. Ardón, D.A.*, McMahan, C.D., Velázquez-Velázquez, E., & W.A. Matamoros. 2022. Factors Explaining Body Shape Variation in the Widespread Central American Blackbelt Cichlid Vieja maculicauda (Teleostei: Cichlidae). Neotropical Ichthyology 20(2): e210139.

50. Ward, S.J.*, McMahan, C.D., Khakurel, B., Wright, A.M., & K.R. Piller. 2022. Genomic data support the taxonomic validity of Middle American livebearers Poeciliopsis gracilis and Poeciliopsis pleurospilus (Cyprinodontiformes: Poeciliidae). PLoS ONE 17(1): e0262687.

49. Elías, D.J.*, McMahan, C.D., & K.R. Piller. 2022. Molecular data elucidate cryptic diversity within the widespread Threadfin Shad (Dorosoma petenense: Clupeidae) across the Nearctic and Northern Neotropics. Hydrobiologia 849: 89-111.

48. Murray, C.M., McMahan, C.D., Litmer, A.R., Goessling, J.M., & D. Siegel. 2021. Latitudinal Gradients in Sexual Dimorphism: Alternative Hypotheses for Variation in Male Traits. Ecology and Evolution 11(23): 17519-17526.

47. Domíneguez-Cisneros, S.E., Velázquez-Velázquez, E., McMahan, C.D., & W.A. Matamoros. 2021. A New Species of Killifish of the Genus Profundulus (Atherinomorpha: Profundulidae) from the Upper Reaches of the Papaloapan River in the Mexican State of Oaxaca. Ichthyology and Herpetology 109(4): 949-957.

46. Alda, F., Ludt, W.B., Elías, D.J.*, McMahan, C.D., & P. Chakrabarty. 2021. Comparison of Ultraconserved Elements to Exons for Phylogenomic Analysis of Middle American Cichlids: When Data Agree to Disagree. Genome Biology and Evolution 13(8): evab161.

45. McMahan, C.D., Elías, D.J.*, Li, Y.*, Domínguez-Domínguez, O., Rodriguez-Machado, S., Morales-Cabrera, A.*, Velásquez-Ramírez, D.*, Piller, K.R., Chakrabarty, P., & W.A. Matamoros. 2021. Molecular systematics of the Awaous banana complex (River Gobies; Teleostei: Oxudercidae). Journal of Fish Biology 99(3): 970-979.

44. Hou, L.*, McMahan, C.D., McNeish, R., Munno, K., Rochman, C., & T. Hoellein. 2021. A fish tale: A century of museum specimens reveal increasing microplastic concentrations in freshwater fish. Ecological Applications 31(5): e02320.

43. Álvarez Calderón, F.S., Garcia, S., McMahan, C.D., & W.A. Matamoros. 2021. Cyprinodontiform fishes of El Salvador. UNED Research Journal 13(1): e3303.

42. McMahan, C.D., Montejo, C.F.*, Ginger, L., Carrasco, J.C., Chakrabarty, P., & W.A. Matamoros. 2020. Climate change models predict decreases in the range of a microendemic freshwater fish in Honduras. Scientific Reports 10: 12693.

41. Elías, D.J.*, McMahan, C.D., Matamoros, W.A., Gómez-González, A.*, Chakrabarty, P., & K.R. Piller. 2020. Scale(s) Matter: Deconstructing an Area of Endemism for Middle American Freshwater Fishes. Journal of Biogeography 47(11): 2483-2501.

40. Miyamoto, K., McMahan, C.D., & A. Kaneko. 2020. Parascolopsis akatamae, a new species of dwarf monocle bream (Perciformes: Nemipteridae) from the Indo-West Pacific, with redescription of closely related species P. eriomma. Zootaxa 4881(1): 91-103.

39. Lardizabal, C.C., Martinez, D.E., Zamora, L.E., McMahan, C.D., & W.A. Matamoros. 2020. First insular record of the cichlid Mayaheros urophthalmus (Günther, 1862) (Cichliformes: Cichlidae) on an island 70 kilometers offshore in the Honduran Caribbean. Journal of Fish Biology 97(4): 1273-1275.

38. Murray, C.M., Russo, P.*, Zorilla, A.*, & C.D. McMahan. 2019. Divergent morphology among Populations of the New Guinea Crocodile, Crocodylus novaeguineae (Schmidt, 1928): Diagnosis of an independent lineage and Description of a New Species. Copeia 107(3): 517-523.

37. McMahan, C.D., Matamoros, W.A., Elías, D.J.*, & K.R. Piller. 2019. Species or population? Systematic status of Vieja coatlicue (Teleostei: Cichlidae). Neotropical Ichthyology 17(2): e190004.

36. Matamoros, W.A., Domínguez-Cisneros, S.E., Velázquez-Veláquez, E., & C.D. McMahan. 2018. Description of a new species of killifish of the genus Profundulus (Atherinomorpha: Profundulidae) from the Mexican state of Oaxaca. Copeia 106(2): 239-246.

35. Angulo, A., Cláudia Santos, A., López, M., Langeani, F., & C.D. McMahan. 2018. A new species of Astyanax Baird & Girard, 1854 (Characiformes: Characidae) from Costa Rica and Panama with a key to the lower Central American species of the genus. Journal of Fish Biology 92(6): 1866-1887.

34. Angulo, A., Donascimiento, C., Lasso-Alcalá, Farah-Pérez, A., Langeani, F., & C.D. McMahan. 2018. Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution. Zootaxa 4420(4): 530-550.

33. Elías, D.J.,* Mochel, S.F., Chakrabarty, P., & C.D. McMahan. 2018. First record of the non-native pacu, Piaractus brachypomus in Lago Petén-Itzá, Guatemala, Central America. Occassional Papers of the LSU Museum of Natural Science.

32. Gómez-González, A.E.*, Álvarez, F., Matamoros, W.A., Velázquez-Velázquez, E., Schmitter-Soto, J.J., González-Díaz, A.A., & C.D. McMahan. 2018. Redescription of Vieja hartwegi (Taylor & Miller 1980) (Teleostei: Cichlidae) from the Grijalva River basin, Mexico and Guatemala, with description of a rheophilic morph. Zootaxa 4375(3): 371-391.

31. Diaz, P.*, Ruiz-Campos, G., Piller, K.R., McMahan, C.D., García de Leon, F.J., Camarena-Rosales, F., Ledesma-Vázquez, J., & J. Rosales-Casián. 2017. Assessment of the morphological variation of Agonostomus monticola (Teleostei: Mugilidae) throughout its amphiamerican distribution. Neotropical Ichthyology 15(4): e170036.

30. Chakrabarty, P., Faircloth, B.C., Ludt, W.B., McMahan, C.D., Near, T.J., Dornberg, A., Albert, J.S., Arroyave, J., Stiassny, M.L.J., Sorenson, L., & M. E. Alfaro. 2017. Phylogenomic systematics of Ostariophysan fishes: Ultraconserved Elements support the surprising non-monophyly of Characiformes. Systematic Biology 66(6): 881-895.

29. Merchant, M., McAdon, C., Mead, S., McFatter, J., McMahan, C.D., Griffith, R., & Murray, C.M. 2017. Comparison of Serum Phospholipase A2 Activities of All Known Extant Crocodylian Species. Advances in Biological Chemistry 7(4): 151160.

28. Bagley, J.C., Matamoros, W.A., McMahan, C.D., Tobler, M., Chakrabarty, P., & J.B. Johnson. 2017. Phylogeography and species delimitation in convict cichlids (Cichlidae: Amatitlania): implications for species limits and Plio-Pleistocene evolutionary history in Central America. Biological Journal of the Linnean Society 120(1): 155-170.

27. McMahan, C.D., Ginger, L., Cage, M.*, David, K.*, Chakrabarty, P., Johnston, M., & W.A. Matamoros. 2017. Pleistocene to Holocene Expansion of the Black-belt Cichlid in Central America. Vieja maculicauda (Teleostei: Cichlidae). PLoS ONE 12(5): e0178439.

26. McMahan, C.D., Kutz, J.*, Murray, C.M., Chakrabarty, P., Geheber, A.D., & D. Elías. 2017. Objectively measuring subjectively described traits: geographic variation in body shape and pattern within Vieja melanura (Teleostei: Cichlidae). Revista de Biología Tropical 65(2): 623-631.

25. Weller, H.I.*, McMahan, C.D., & M.W. Westneat. 2017. Dirt-sifting Devilfish: Winnowing in the geophagine cichlid Satanoperca daemon and evolutionary implications. Zoomorphology 136: 45-59.

24. Murray, C.M., McMahan, C.D., Guyer, C., & B.I. Crother. 2016. The inhibition of scientific progress: perceptions of biological units. In: Assumptions Inhibiting Progress in Comparative Biology, Crother, B.I. & L.R. Parenti, Ed. CRC Press.

23. Ceríaco, L.M.P., Gutiérrez, E.E., Dubois, A., …McMahan, C.D., et al. 2016. Photography-based taxonomy is inadequate, unnecessary, and potentially harmful for biological sciences. Zootaxa 4196(3): 435-445.

22. Jamangapé, J.A., Velázquez-Velázquez, E., Martínez-Ramirez, E., Anzueto-Calvo, M.J., Gomez, E.I., Dominguez-Cisneros, S.E., McMahan, C.D., & W.A. Matamoros. 2016. Validity and Redescription of Profundulus balsanus Ahl, 1935 (Cyprinodontiformes: Profundulidae). Zootaxa 4173(1): 55-65.

21. Matamoros, W.A., McMahan, C.D., Mejia, C.R., House, P.*, & P. Chakrabarty 2016. First record of the non-native armored catfish Hypostomus niceforoi (Fowler, 1943; Loricariidae) in Central America. Occassional Papers of the LSU Museum of Natural Science 87: 1-12.

20. McMahan, C.D., Freeborn, L.R., Wheeler, W.C., & B.I. Crother. 2015. Forked tongues revisited: molecular apomorphies support morphological hypotheses of squamate evolution. Copeia 103(3): 525-529.

19. McMahan, C.D. and S. Mochel. 2015. Clarification of type specimens for Bornean species of Osteochilus (Cyprinidae). Zootaxa 4032(1): 147-150.

18. McMahan, C.D., Matamoros, W.A., Piller, K.R., & P. Chakrabarty. 2015. Taxonomy and systematics of the hericthyins (Cichlidae: Tribe Heroini), with the description of eight new Middle American Genera. Zootaxa 3999(2): 211-234.

17. Matamoros, W.A., McMahan, C.D., Chakrabarty, P., Albert, J., & Schaefer, J. 2015. Derivation of the freshwater fish fauna of Central America Revisited: Myers’s hypothesis in the 21st Century. Cladistics 31(2): 177-188.

16. McMahan, C.D., Matamoros, W.A., Barraza, E., Kutz, J.*, & P. Chakrabarty. 2014. Taxonomic status of the Lago Coatepeque endemic convict cichlid Amatitlania coatepeque (Teleostei: Cichlidae). Copeia 4: 633-638.

15. Murray, C.M., McMahan, C.D., Dobie, J.L., Guyer, C. 2014. Cranial variation amongst independent lineages of the alligator snapping turtle (Macrochelys temminckii). Journal of Zoological Systematics & Evolutionary Research 52(4): 305-311.

14. Bohn, S., Barraza, E., McMahan, C.D., Matamoros, W., & B. Kreiser. 2013. Cross amplification of microsatellite loci developed for alligator gar (Atractosteus spatula) in tropical gar (Atractosteus tropicus). Revista Mexicana de Biodiversidad 84: 1349-1351.

13. McMahan, C.D., Smith, W.L., Sparks, J.S., Chakrabarty, P., & M.P. Davis. 2013. Temporal patterns of diversification across global cichlid biodiversity (Acanthomorpha: Cichlidae). PLoS ONE 8(8): e71162.

12. Carstens, B.C., Brennan, R.S., Chua, V., Duffie, C.V., Harvey, M.G., Koch, R.A., McMahan, C.D., Nelson, B.J., Newman, C.E., Satler, J.D., Seeholzer, G., Posbic, K., Tank, D.C., & J. Sullivan. 2013. Model selection as a tool for phylogeographic inference: An example from the willow Salix melanopsis. Molecular Ecology 22(15): 4014-4028.

11. Matamoros, W.A., Chakrabarty, P., Angulo, A., Garita-Alvarado, C.A., & C.D. McMahan.  2013.  A new species of Roeboides (Teleostei: Characidae) from Costa Rica and Panama, with a key to Middle American species of the genus. Neotropical Ichthyology 11(2): 285-290.

10. McMahan, C.D., Matamoros, W.A., Alvarez Calderon, F.S.*, HenrÍquez, W.Y.*, Recinos, H.M.*, Chakrabarty, P., Barraza, E., & N. Herrera. 2013. Checklist of the inland fishes of El Salvador. Zootaxa 3608(6): 440-456.

9. McMahan, C.D., Davis, M.P., DomÍnguez-DomÍnguez, O., GarcÍa de Leon, F.J., Doadrio, I., & K.R. Piller. 2013. From the mountains to the sea: phylogeography and cryptic diversity in the mountain mullet, Agonostomus monticola (Teleostei: Mugilidae). Journal of Biogeography 40: 894-904.

8. McMahan, C.D., Murray, C.M., Geheber, A.D., Boeckman, C.D.*, & K.R. Piller. 2011. Paraneetroplus synspilus is a junior synonym of Paraneetroplus melanurus (Teleostei: Cichlidae). Zootaxa 2833: 1-14.

7. Eckstut, M.E., McMahan, C.D., Crother, B.I., Ancheta, J., McLennan, D., & D. Brooks. 2011. PACT in Practice: Comparative historical biogeographic patterns and species area relationships of the Greater Antillean and Hawaiian Island terrestrial biotas. Global Ecology & Biogeography 20: 545-557.

6. McMahan, C.D., Geheber, A.D., & K.R. Piller. 2010. Molecular Systematics of the Enigmatic Middle American Genus Vieja (Teleostei: Cichlidae). Molecular Phylogenetics & Evolution 57: 1293-1300.

5. Rheubert, J.L., McMahan, C.D., Sever, D.M., Bundy, M.R., & K.M. Gribbins. 2010. Ultrastructure of the reproductive system of the Black Swamp Snake (Seminatrix pygaea) VII. Spermatozoon morphology and potential evolutionary trends of sperm characters among Serpentes. Journal of Zoological Systematics & Evolutionary Research 48(4): 366-375.

4. Geheber, A.D., McMahan, C.D., & K.R. Piller. 2010. First Record of the Non-native Three Spot Gourami (Osphronemidae: Trichogaster trichopterus) in Jamaica. Aquatic Invasions Supl. 1: S13-S16.

3. Kenway-Lynch, C.S., McMahan, C.D., Geheber, A.D., Hayes, M.M, & K.R. Piller. 2010. Threatened Fishes of the World: “Xenotoca” eiseni 1896 (Goodeidae). Environmental Biology of Fishes 87(3): 219-220.

2. Broach, J.S. & C.D. McMahan. 2009. New Records of Amphibians and Reptiles from Florence County, South Carolina, USA. Herpetological Review 40(2): 243-244.

1. McMahan, C.D. & G.R. Zug. 2007. Burmese Hemidactylus (Reptilia: Squamata: Gekkonidae): Geographic Variation in the Morphology of Hemidactylus bowringii in Myanmar and Yunnan, China. Proceedings of the California Academy of Sciences 58(24): 485-509.