COMPLETE LIST OF PUBLICATIONS (peer reviewed and book chapters)

See also Google Scholar ResearchGate

            Under review/in press

49. Thomas, M. & R. Betancur-R. In press. Ariidae. In: North American freshwater fishes: natural history, ecology, and conservation. Johns Hopkins University Press. 

48. Betancur-R., R., E. O. Wiley, G. Arratia, A. Acero, M. Miya, G. Lecointre & G. Ortí. Phylogenetic classification of bony fishes. Accepted with revision. BMC Evolutionary Biology. 

47. A. Davis & R. Betancur-R. Widespread ecomorphological convergence in multiple fish families spanning the marine-freshwater interfaceProceedings of the Royal Society B. Under review (second round). 

46. Marceniuk, A., R. Cooke, A. Acero P. & R. Betancur-R. Taxonomic revision of the New World genus Ariopsis Gill (Siluriformes: Ariidae), with description of two new species. In press. Zootaxa.

45. Arcila, D., G. Ortí, R. Vari, J. W. Armbruster, M. Stiassny, K. D. Ko, M. H. Sabaj, J. Lundberg, L. J. Revell R. Betancur-R. 2017. Genome-wide interrogation advances resolution of recalcitrant groups in the Tree of Life. Nature Ecology & Evolution 1: 0020. PDF. "News and Views" about the paper by S. Mirarabnews outletin Spanish and "Behind the Paper" postFor a GGI tutorial click here. 

44. Marceniuk, A., J. Merchena & R. Betancur-R. Cathorops festae (Boulenger 1898) (Siluriformes; Ariidae), a valid species from Ecuador and Peru. Zootaxa 4170 (1): 137148. PDF.

43. Acero P., A. & R. Betancur-R. 2016. Ariidae, p. 17421750. In: The living marine resources of the Eastern Central Atlantic. Vol 3. FAO, Rome. K. E. Carpenter (ed.). FAO, Rome. PDF.

42. A. Polanco F., Acero P., A. & R. Betancur-R2016. No longer a circumtropical species: revision of the lizardfishes in the Trachinocephalus myops (Forster 1801) species complex, with description of a new species from the Marquesas Islands. Journal of Fish Biology 89(2): 1302-1323PDF.

41. A. Davis, P. Unmack, R. Vari & R. Betancur-R. 2016. Herbivory promotes dental disparification and macroevolutionary dynamics in grunters (Teleostei: Terapontidae), a freshwater adaptive radiation. The American Naturalist 187(3): 320-333. PDF.

40. Sanciangco, M. D., K. Carpenter & R. Betancur-R. 2016. Phylogenetic placement of enigmatic percomorph families (Teleostei: Percomorphaceae). Molecular Phylogenetics and Evolution 94(2016): 505-576PDF.

39. Martinez, P. A., J. P. Zurano, T. F. Amado, C. Penone, R. Betancur-R., C. J. Bidau & U. P. Jacobina. 2015. Chromosomal diversity in tropical reef fishes is related to body size and depth range. Molecular Phylogenetics and Evolution 93: 1-4. PDF.

Betancur-R., R.G. Ortí & A. Pyron. 2015. Fossil-based comparative analyses reveal ancient marine ancestry erased by extinction in ray-finned fishes. Ecology Letters 18: 441–450. PDF. Blog discussing the paper.
37. Arcila, D.*, A. Pyron, J. Tyler, G. Ortí & R. Betancur-R.*. 2015. An evaluation of fossil tip-dating versus node-age calibrations in tetraodontiform fishesMolecular Phylogenetics and Evolution 82(2015): 131-145. PDF. *Equal contribution.

36. Correa, S., R. Betancur-R.B. de Mérona & J. W. Armbruster. 2015. Diet shift of Red Belly Pacu (Piaractus brachypomus), a Neotropical fish, in the Sepik River Basin, Papua New Guinea. Neotropical Ichthyology. PDF.


35. Thompson, A.W., R. Betancur-R., H. López-Fernández & G. Ortí. 2014. A time-calibrated, multi-locus phylogeny of piranhas, pacus, and allies (Characiformes: Serrasalmidae) and a comparison of species tree methods. Molecular Phylogenetics and Evolution 81(2014): 242-257PDF

 Toledo-Hernández, C., X. Vélez-Zuazo, C. P. Ruiz-Diaz, A. R. Patricio, P. Mège, M. Navarro, A. B. Sabat, Betancur-R., R., and R. Papa. 2014. Population ecology and genetics of the invasive lionfish in Puerto Rico. Aquatic Invasions.

33. Betancur-R., R. & G. Ortí. 2014. Molecular evidence for the monophyly of flatfishes (Carangimorpharia: Pleuronectiformes). Molecular Phylogenetics and Evolution 73(2014): 18-22. PDF.   

32. Betancur-R., R.
G. Naylor & G. Ortí. 2014. Conserved genes, sampling error, and phylogenomic inference. Systematic Biology 63(2): 257-262PDF.


31. Betancur-R., R., C. Li, T. A Munroe, J. A. Ballesteros & G. Ortí. 2013. Addressing gene-tree discordance and non-stationarity to resolve a multi-locus phylogeny of the flatfishes (Teleostei: Pleuronectiformes). Systematic Biology 62(5):763–785PDF.

30. Betancur-R., R., R.E. Broughton, E.O. Wiley, K. Carpenter, J.A. Lopez, C. Li, N.I. Holcroft, D. Arcila, M. Sanciangco, J. Cureton, F. Zhang, T. Buser, M. Campbell, T. Rowley, J.A. Ballesteros, G. Lu, T. Grande, G. Arratia & G. Ortí. 2013. The tree of life and a new classification of bony fishes. PLoS Currents Tree of Life. Pub Med Version. Press releases: Science Dailye! Science NewsPLoS Blogs.

29. Broughton, R.E., Betancur-R., R., C. Li, G. Arratia, & G. Ortí. 2013. Multi-locus phylogenetic analysis reveals the pattern and tempo of bony fish evolution. PLoS Currents Tree of Life.


28. Betancur-R., R., G. Ortí, A. M. Stein, A. P. Marceniuk & R. A. Pyron. 2012. Apparent signal of competition limiting diversification after ecological transitions from marine to freshwater habitats. Ecology Letters 15(8): 822-830. PDF & other files.

27. Robertson, D.R. & R. Betancur-R. 2012. Sea Catfishes (Ariidae). In: Shorefishes of the Greater Caribbean: identification guide. Electronic book (app. v1.0). 

26. Marceniuk, A. P., Betancur-R., R.A. Acero P. & J. Muriel-Cunha. 2012. Review of the genus Cathorops (Siluriformes, Ariidae) from the Caribbean and the Atlantic South America, with description of a new species. Copeia 2012(1): 77-97. PDF. 


25. Li, C., Betancur-R., R.W. L. Smith & G. Ortí. Monophyly and interrelationships of Snook and Barramundi (Centropomidae sensu Greenwood) and five new markers for fish phylogenetics. 2011. Molecular Phylogenetics and Evolution 60 (2011): 463–471. PDF.

24. Betancur-R., R.,  A. Hines, A. Acero P., G. Ortí, A.E. Wilbur & D.W. Freshwater. 2011. Reconstructing the lionfish invasion: insights into Greater Caribbean biogeography. Journal of Biogeography 38: 1281-1293. PDF. Press release in Frontiers in Ecology and the Environment 2011 9(6). PDF.


23. Betancur-R., R., A. Acero P., H. Duque-Caro & S. R. Santos. 2010. Phylogenetic and morphological analyses of a coastal fish reveal a marine biogeographic break of terrestrial origin in the Southern Caribbean. PLoS ONE 5(7): e11566. doi:10.1371/journal.pone.0011566.  PDF. 

22. Betancur-R., R. 2010. Molecular phylogenetics supports multiple evolutionary transitions from marine to freshwater habitats in ariid catfishes. Molecular Phylogenetics and Evolution 55(1): 249-258PDF.


21. Betancur-R., R. & J.W. Armbruster. 2009. Molecular clocks provide new insights into the evolutionary history of galeichthyine sea catfishes. Evolution 63(5): 1232-1243. PDFMissing Appendix A from article here

20. Marceniuk, A. P., R. Betancur-R. & A. Acero P. 2009. Description of a new species of Cathorops (Siluriformes; Ariidae) from El Salvador, with redescription of four species of the genus from North and Central American Pacific. Bulletin of Marine Science 85(3): 245-280. PDF.

19. González, J., M. Grijalba-Bendeck, A. Acero P. & R. Betancur-R. 2009. The invasive Indo-Pacific lionfish, Pterois volitans/miles complex, in the southern Caribbean Sea. Aquatic Invasions 4(3): 507-510.

18. Betancur-R., R. 2009. Molecular phylogenetics and evolutionary history of ariid catfishes revisited: a comprehensive sampling. BMC Evolutionary Biology 2009 9: 175. Highly accessed paper. PDF

17. Betancur-R., R. & P.J. Kailola. 2009. Ariidae. In: Encyclopedia of flora and fauna of Bangladesh. Ed.: A. K. Ataur Rahman. Vol. 24. Asian Society of Bangladesh. Dhaka, Bangladesh, pp. 95–115. 


16. Betancur-R., R., A.P. Marceniuk & P. Béarez. 2008. Taxonomic Status and Redescription of the Gillbacker Sea Catfish (Siluriformes: Ariidae: Sciades parkeri). Copeia 2008(4): 827–834. PDF.

15. Marceniuk, A.P. & R. Betancur-R. 2008. Revision of the species of the genus Cathorops (Siluriformes; Ariidae) from Mesoamerica and the Central American Caribbean, with description of three new species. Neotropical Ichthyology, 6(1): 25–44.


14. Betancur-R., R., A. Acero P., E. Bermingham & R. Cooke. 2007. Systematics and biogeography of New World sea catfishes (Siluriformes: Ariidae) as inferred from mitochondrial, nuclear, and morphological evidence. Molecular Phylogenetics and Evolution 45(1): 339–357. PDF.

13. Betancur-R., R. & P.W. Willink. 2007. A new freshwater ariid (Otophysi: Siluriformes) from the Río Usumacinta basin. Copeia 2007(4): 818–828. PDF.

12. Acero P., A.* & R. Betancur-R.* 2007. Monophyly, affinities, and subfamilial clades of sea catfishes (Siluriformes: Ariidae). Ichthyological Exploration of Freshwaters 18(2): 133–143. *Both authors have contributed equally to the work, authorship in alphabetical order.


11. Betancur-R., R. & A. Acero P. 2006. A new species of Notarius (Siluriformes: Ariidae) from the Colombian Pacific. Zootaxa 1249: 47–59. 

10. Acero P., A. & R. Betancur-R. 2006. Real identity of the northern Colombian endemic sea catfish Galeichthys bonillai Miles, 1945 (Siluriformes: Ariidae). Cybium 30(3): 215–219. PDF.


9. Betancur-R., R. & A. Acero P. 2005. Description of Cathorops mapale, a new species of sea catfish (Siluriformes: Ariidae) from the Colombian Caribbean, based on morphological and mitochondrial evidence. Zootaxa 1045: 45–60.

8. Acero P., A., R. Betancur-R., A. Polanco F. & N. Chaparro. 2005. Diferenciación sexual temprana a nivel óseo en dos géneros de bagres marinos (Pisces: Ariidae). Memoria de la Fundación La Salle de Ciencias Naturales 163: 37–43. PDF.


7. Betancur-R., R. & A. Acero P. 2004. Description of Notarius biffi n. sp. and redescription of N. insculptus (Jordan and Gilbert) (Siluriformes: Ariidae) from the eastern Pacific, with evidence of monophyly and limits of Notarius. Zootaxa 703: 1–20.

6. Betancur-R., R., A. Acero & L.M. Mejía-Ladino. 2004. Sistemática filogenética preliminar de algunos bagres marinos (Siluriformes: Ariidae) neotropicales. Memoria de la Fundación La Salle de Ciencias Naturales 158: 61–85. PDF.


5. Mejía-Ladino, L.M., R. Betancur-R., A. Acero P. & M. Grijalba B. 2003. Presencia de Epinephelus nigritus (Pisces: Serranidae) en el Caribe Colombiano, incluyendo una clave para las especies de Epinephelus en el área. Boletín Ecotrópica 37: 31–39. PDF.

4. Mejía-Ladino, L.M., R. Betancur-R., A. Acero & E. Zarza. 2002. Presencia de Arius grandicassis en el Caribe colombiano, incluyendo una clave para la dentificación de los peces de la familia Ariidae en el área. Boletín Instituto de Investigaciones Marinas y Costeras 31: 5–13.


3. Acero P., A. & R. Betancur-R. 2002. Description of Arius neogranatensis, a new species of sea catfish from Colombia, including an identification key for Caribbean ariid fishes. Aqua, International Journal of Ichthyology 6(1): 5–10. PDF.

2. Acero P., A. & R. Betancur-R. 2002. Arius cookei, a new species of ariid catfish from the tropical American Pacific. Aqua, International Journal of Ichthyology 5(4): 133–138. PDF.


1. Betancur-R., R., A. Acero P. & L.M. Mejía-Ladino. 2001. El pez serránido Gonioplectrus hispanus (Epinephelinae: Epinephelini) en Colombia: primer registro para las costas continentales caribeñas. Boletín Ecotrópica 35: 25–30. PDF.