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Wegner, Nicholas

Postdoctoral Researcher

Degrees:

• B.S., University of California San Diego
• Ph.D., Scripps Institution of Oceanography, UCSD

Research Interests:

• Fish physiology: Gill function and morphology; Adaptations for air breathing; Muscle morphology
• Fish movement patterns and habitat use: Tagging and tracking studies of coastal and pelagic fishes

Honors and Awards:

• Edna Bailey Sussman Foundation Award (2006, 2007)
• National Research Council Associateship, National Academy of Sciences (2011)
• Achievement Rewards for College Scientists (ARCS) Scholarship, Los Angeles Chapter (2007-2009)
• California Diving & Aquatic Studies Scholarship (2005)
• Research Assistance Award, Amer. Inst. of Fisheries Research Biologists (2006)
• Haymet-Kennel Student Lecture Award (2007)

19. Nosal, A.P., Cartamil, D.P., Long J.W., Lührmann M., Wegner, N.C., Graham, J.B. (In press). Demographic composition, movement patterns, and putative causes of leopard sharks (Triakis semifasciata) aggregating in a marine reserve along the open coast of southern California, USA. Env. Biol. Fish.

18. Wegner, N.C., Sepulveda, C.A., Aalbers, S.A., and Graham, J.B. (In press). Structural adaptations for ram ventilation: Gill fusions in scombrids and billfishes. J Morphol.

17. Graham, J.B., Jew C.J., and Wegner, N.C. (In press). Modeling variable phanerozoic oxygen effects on physiology and evolution. In Hypoxia and Cancer (R.C. Roach et al., eds.) Springer: New York.

16. Wegner, N.C. and Cartamil, D.P. (2012). Effects of prolonged entanglement in discarded fishing gear with substantive biofouling on the health and behavior of an adult shortfin mako shark, Isurus oxyrinchus. Mar. Poll. Bull. 64: 391-394.

15. Wegner, N.C., Lai, N.C., Bull, K.B., and Graham, J.B. (2012). Oxygen utilization and the branchial pressure gradient during ram ventilation in the shortfin mako, Isurus oxyrinchus: Is lamnid shark-tuna convergence constrained by elasmobranch gill morphology? J. Exp. Biol. 215: 22-28.

14. Satora, L. and Wegner, N.C. (2012). Reexamination of the Byczkowska-Smyk gill surface area data for European teleosts with new measurements on the pikeperch, Sander lucioperca. Rev. Fish Biol. Fisheries 22:1-9

13. Wegner, N.C. (2011). Gill respiratory morphometrics. In: Encyclopedia of Fish Physiology: From Genome to Environment. A.P. Farrell et al., eds. Elsevier Press. p. 803-811.

12. Cartamil, D., Sepulveda, C.A., Wegner, N.C., Aalbers, S.A, and Graham, J.B. (2011) Archival tagging of subadult and adult common thresher sharks (Alopias vulpinus) off the coast of Southern California. Mar. Biol. 158: 935-944.

11. Sepulveda, C.A., Aalbers, S.A., Ortega-Garcia, S., Wegner, N.C., Bernal, D. (2011). Depth distribution and temperature preferences of wahoo (Acanthocybium solandri) off Baja California Sur, Mexico. Mar. Biol. 158: 917-926.

10. Wegner, N.C., Sepulveda C.A., Olson, K.R., Hyndman, K.A., and Graham, J.B. (2010). Functional morphology of the gills of the shortfin mako, Isurus oxyrinchus, a lamnid shark. J. Morph. 271: 937-948.

9. Wegner, N.C. and Graham, J.B. (2010). George Hughes and the history of fish ventilation: From Du Verney to the present. Comp. Biochem. Physiol. 157A: 1-6.

8. Cartamil, D., Wegner, N.C., Aalbers, S., Sepulveda, C.A., Baquero, A., and Graham, J.B. (2010). Diel movement patterns and habitat preferences of the common thresher shark Alopias vulpinus in the Southern California Bight. J. Mar. Fresh. Res. 61: 596-604.

7. Cartamil, D., Wegner, N.C., Kacev, D., Ben-Aderet, N., Kohin, S., and Graham, J.B. (2010). Movement patterns and nursery habitat of the juvenile common thresher shark Alopias vulpinus in the Southern California Bight. Mar. Ecol. Prog. Ser. 404: 249-258.

6. Graham, J.B. and Wegner, N.C. (2010). Breathing air in water and in air: The air-breathing fishes. In Respiratory Physiology of Vertebrates: Life With and Without Oxygen (G.E. Nilsson ed.) Cambridge University Press: Cambridge. p. 174-221.

5. Wegner, N.C., Sepulveda, C.A., Bull, K.B., and Graham, J.B. (2010). Gill morphometrics in relation to gas transfer and ram ventilation in high-energy demand teleosts: Scombrids and billfishes. J. Morph. 271: 36-49.

4. Seymour, R.S., Wegner, N.C., and Graham, J.B. (2008). Body size and the air-breathing organ of the Atlantic tarpon Megalops atlanticus. Comp. Biochem. Physiol. 150A: 282-287.

3. Graham, J.B., Lee, H.L., and Wegner, N.C. (2007). Transition from water to land in an extant group of fishes: Air breathing and the acquisition sequence of adaptations for amphibious life in oxudercine gobies. In Fish Respiration and Environment (M.N. Fernandes et al., eds.) Science Publishers: Enfield. p. 255-288.

2. Wegner, N.C., Sepulveda, C.A., and Graham, J.B. (2006). Gill specializations in high-performance pelagic teleosts, with reference to striped marlin (Tetrapturus audax) and wahoo (Acanthocybium solandri). Bull. Mar. Sci. 79: 747-760.

1. Sepulveda, C.A., Wegner, N.C., Bernal, D., and Graham, J.B. (2005). The red muscle morphology of the thresher sharks (family Alopiidae). J. Exp. Biol. 208: 4255-4261.