GODDARD ET AL.: EL NINO IMPACT ON HETEROBRANCH SEA SLUG RANGES 127 
branch gastropods from the open coast of San Mateo Co., California. The Veliger 14:302-314. 
Bertsch H, O. Angulo-Campillo, and J.L. Arreola. 2000. New distributional records of opisthobranchs 
from the Punta Eugenia region of the Baja California Peninsula: a report based on 1997-1998 
CONABIO-sponsored expeditions. TheFestivus 32:99-104. 
Bertsch, H., and L.E. Aguilar Rosas. 2016. Marine invertebrates of northwest Mexico. Instituto de Inves- 
tigaciones Oceanologicas, Universidad Autonoma de Baja California, Ensenada, Baja California, Mexi¬ 
co. 432 pp. 
Blue Water Venture. (2016) Dawn patrol at low tide... In: Facebook. Accessed through <https://www. 
facebook.com/102322696478699/photos/pcb. 1240611945983096/1240588269318797/? type= 3> on 27 
May 2018. 
Bond, N.A., M.F. Cronin, H. Freeland, and N. Mantua. 2015. Causes and impacts of the 2014 warm anom¬ 
aly in the NE Pacific. Geophysical Research Letters. doi:10.1002/2015GL063306 
Camacho-Garcia, Y., T. M. Gosliner, and A. Valdes. 2005. Field guide to the sea slugs of the tropical East¬ 
ern Pacific. California Academy of Sciences, San Francisco. 129 pp. 
Camacho-Garcia, Y., and T. M. Gosliner. 2008. Nudibranch dorids from the Pacific coast of Costa Rica 
with the description of a new species. Bulletin of Marine Science 83:367-389. 
Cavole, L.M., A.M. Demko, R.E. Diner, A. Giddings, I. Koester, C.M.L.S. Pagniello, M.-L. Paulsen, 
Ramirez-Valdez, S.M. Schwenck, N.K. Yen, M.E. Zill, and P.J.S. Franks. 2016. Biological impacts 
of the 2013-2015 warm-water anomaly in the Northeast Pacific: Winners, losers, and the future. 
Oceanography 29(2):273-285, < http://dx.doi.org/10.5670/oceanog.2016.32>. 
Cheng, L., K.E. Trenberth, J. Fasullo, T. Boyer, J. Abraham, and J. Zhu. 2017. Improved estimates of 
ocean heat content from 1960 to 2015. Science Advances 3:el601545. 
Cullin [no first name given], (2017) Hermissenda opalescens. In: iNaturalist. Accessed through 
<http://www.inaturalist.org/observations/6023626> on 14 May 2017. 
DeVogelaere, A., J. Holte, M. Silberstein, and M. Jacobi. 1998. A Species List for Elkhom Slough and 
Adjacent Uplands. Report to the Monterey Bay National Marine Sanctuary. 
<http://montereybay.noaa.gov/research/techreports/trdevol998c.html>. 
Di Lorenzo, E., and N.J. Mantua. 2016. Multi-year persistence of the 2014/15 North Pacific marine heat¬ 
wave. Nature Climate Change doi:10.1038/nclimate3082. 
Doyle, D. 2016. The Bottom Bunch Dive Club. In: Facebook. Accessed through <https://www.facebook.com/ 
photo.php?fbid=894954090639706> on 23 June 2018. 
Eaton, J. (2016) Cloudy bubble snail ( Bulla gouldiana ). In: iNaturalist. Accessed through <https://www. 
inaturalist.org/observations/3946922> on 12 May 2017. 
Engle, J.M., and D.V. Richards. 2001. New and unusual marine invertebrates discovered at the California 
Channel Islands during the 1997-1998 El Nino. Bulletin of the Southern California Academy of Sciences 
100:186-198. 
Fahey, S.J., and A. Valdes. 2005. Review of Acanthodoris Gray, 1850 with a phylogenetic analysis of Onchi- 
dorididae Alder and Hancock, 1845 (Mollusca, Nudibranchia). Proceedings of the California Academy 
of Sciences, ser. 4, 56:213-273. 
Farmer, W.M., and C.L. Collier. 1963. Notes on the Opisthobranchia of Baja California, Mexico, with range 
extensions. The Veliger 6:62-63. 
Fletcher, K. 2013. The nudibranchs of the Salish Sea. The Dredgings 53(2):3-4. Available at: 
<http://www.bily.com/pnwsc/web-content/Articles/The%20Nudibranchs%20of%20the%20Salish% 
20Sea.pdf>. 
Francis, J.A., and S.J. Vavrus. 2015. Evidence for a wavier jet stream in response to rapid Arctic warm¬ 
ing. Environmental Research Letters 10, doi: 10.1088/1748-9326/10/1/014005. 
Francis, J.A, S.J. Vavrus, and J. Cohen, 2017. Amplified Arctic warming and mid-latitude weather: New 
perspectives on emerging connections. WIREs Climate Change, doi: 10.1002/wdd.474. 
Gerakin, C. 2017. Porter’s chromodorid ( Felimare porterae) In: iNaturalist. Accessed through 
<https://www.inaturalist.org/observations/6829465> on 26 June 2018. 
Goddard, J.H.R. 1984. The opisthobranchs of Cape Arago, Oregon, with notes on their biology and a sum¬ 
mary of benthic opisthobranchs known from Oregon. The Veliger 27:143-163. 
