Cordova-Zavaleta et al.: Food habits of Prionace glauca in waters off northern Peru 
321 
and M. R. Heithaus, eds.), p. 319-350. CRC Press, Boca 
Raton, FL. 
Harvey, J. T. 
1989. Food habits, seasonal abundance, size, and sex of 
the blue shark, Prionace glauca, in Monterey Bay, Cali¬ 
fornia. Calif. Fish Game 75( 1):33—44. 
Hernandez-Aguilar, S. B., O. Escobar-Sanchez, F. Galvan- 
Magana, and L. A. Abitia-Cardenas. 
2016. Trophic ecology of the blue shark ( Prionace glauca ) 
based on stable isotopes (8 13 C and 8 15 N) and stomach 
content. J. Mar. Biol. Assoc. U.K. 96:1403-1410. 
Hernandez-Garcfa, V. 
1995. The diet of the swordfish Xiphias gladius Linnaeus, 
1758, in the central east Atlantic, with emphasis on the 
role of cephalopods. Fish. Bull. 93:403-411. 
Hinojosa, I., S. Boltana, D. Lancellotti, E. Macaya, P. Ugalde, 
N. Valdivia, N. Vasquez, W. A. Newman, and M. Thiel. 
2006. Geographic distribution and description of four 
pelagic barnacles along the south east Pacific coast of 
Chile—a zoogeographical approximation. Rev. Chil. 
Hist. Nat. 79:13-27. 
Hpeg, J. T., D. Maruzzo, K. Okano, H. Glenner, and B. K. K. 
Chan. 
2012. Metamorphosis in balanomorphan, pedunculated, 
and parasitic Barnacles: a video-based analysis. Integr. 
Comp. Biol. 52:337-347. 
Hoyos, L., J. Tarazona, G. Marquina, D. Velarde, and S. Valle. 
1991. Ecologia trofica de Prionace glauca “tintorera” de la 
costa central del Peru. In I Reunion Anual del ICBAR 
libro de resumenes; Lima, Peru, 4-6 November, p. 75. 
Institute de Investigacion de Ciencias Biologicas “Anto¬ 
nio Raimondi” (ICBAR), Universidad Nacional Mayor de 
San Marcos, Lima, Peru. 
Jefferson, T., M. Webber, and R. Pitman 
2015. Marine mammals of the world: a comprehensive 
guide to their identification, 2 nd ed., 616 p. Academic 
Press, Cambridge, MA. 
Jimenez-Valverde, A., and J. Hortal. 
2003. Las curvas de acumulacion de especies y la necesi- 
dad de evaluar la calidad de los inventarios biologicos. 
Rev. Iber. Aracnologfa 8:151-161. 
Klarian, S. A., C. Canales-Cerro, P. Barrfa, P. Zarate, F. Con¬ 
cha, S. Hernandez, M. Heidemeyer, P. Sallaberry-Pincheira, 
and R. Melendez. 
2018. New insights on the trophic ecology of blue (Priona¬ 
ce glauca) and shortfin mako sharks ( Isurus oxyrinchus) 
from the oceanic eastern South Pacific. Mar. Biol. Res. 
14:173-182. 
Krebs, C. J. 
1999. Ecological methodology, 2 nd ed., 620 p. Addison- 
Wesley Educational Publishers, Inc. Menlo Park, CA. 
Litvinov, F. F. 
2006. On the role of dense aggregations of males and ju¬ 
veniles in the functional structure of the range of the 
blue shark Prionace glauca. J. Ichthyol. 8:613-624. 
Loor-Andrade, P., J. Pincay-Espinoza, and R. Rosas-Luis. 
2017. Diet of the blue shark Prionace glauca in the Ecua¬ 
dorian Pacific Ocean during the years 2013 to 2015. J. 
Appl. Ichthyol. 33:558-562. 
Lopez, S., R. Melendez, and P. Barrfa. 
2010. Preliminary diet analysis of the blue shark Priona¬ 
ce glauca in the eastern South Pacific. Rev. Biol. Mar. 
Oceanogr. 45:745-749. 
Machare, J., M. Sebrier, D. Huaman, and J.-L. Mercier. 
1986. Tectonica cenozoica de la margen continental Pe¬ 
ruana. Bol. Soc. Geol. Peru 76:45-77. 
Markaida, U., and O. Sosa-Nishizaki. 
2010. Food and feeding habits of the blue shark Prionace 
glauca caught off Ensenada, Baja California, Mexico, 
with a review on its feeding. J. Mar. Biol. Assoc. U.K. 
90:977-994. 
Mendoza-Avila, M., G. Zavala-Zambrano, F. Galvan-Magana, 
and P. Loor-Andrade. 
2016. Feeding habits of wahoo (Acanthocybium solandri) 
in the eastern Pacific Ocean. J. Mar. Biol. Assoc. U.K. 
97:1505-1510. 
Minchin, D. 
1996. Tar pellets and plastics as attachment surfaces for 
lepadid cirripedes in the North Atlantic Ocean. Mar. 
Pollut. Bull. 32:855-859. 
Moscoso, V. 
2013. Clave para identificacion de crustaceos decapodos y 
estomatopodos del Peru. Bol. Inst. Mar Peru 28:8-25. 
Munroe, S. E. M., C. A. Simpfendorfer, and M. R. Heupel. 
2014. Defining shark ecological specialisation: concepts, 
context, and examples. Rev. Fish Biol. Fish. 24:317-331. 
Nakano, H., and M. P. Seki. 
2003. Synopsis of biological data on the blue shark, Prio¬ 
nace glauca Linnaeus. Bull. Fish. Res. Agency 6:18-55. 
Nakano, H., and J. D. Stevens. 
2008. The biology and ecology of the blue shark, Prionace 
glauca. In Sharks of the open ocean: biology, fisheries 
and conservation (M. D. Camhi, E. K. Pikitch, and E. A. 
Babcock, eds.), p. 140-151. Blackwell Publishing, Ox¬ 
ford, UK. 
Nesis, K. N. 
1996. Mating, spawning, and death of oceanic cephalo¬ 
pods: a review. Ruthenica 6:23-64. 
Orosco-Montenegro, L. X. 
2016. Variabilidad espacio-temporal de paralarvas de 
cefalopodos en el mar peruano entre los anos 2013 y 
2014. B.S. diss., 89 p. Universidad Ricardo Palma, 
Lima, Peru. 
R Core Team. 
2018. R: a language and environment for statistical com¬ 
puting. R Foundation for Statistical Computing, Vi¬ 
enna, Austria. [Available from website, accessed May 
2018.] 
Rivaton, J., and P. Bourret. 
1999. Les otolithes des poissons de Undo Pacifique. Doc. 
Sci. et Tech. II 2, 378 p. Inst. Rech. Dev., Noumea, New 
Caledonia. 
Roper, C. F. E., and R. E. Young. 
1975. Vertical distribution of pelagic cephalopods. Smith- 
son. Contrib. Zool. 209, 51 p. 
RStudio. 
2018. RStudio: integrated development environment for 
R. RStudio, Inc., Boston, MA. [Available from website, 
accessed May 2018.] 
Sajinez, M., J. Ledesma, and J. Salcedo. 
2016. Presencia del genero Argonauta en el norte del eco- 
sistema de Humboldt, asociadas a las variables ocean- 
ograficas 2009-2015. In Libro de resumenes. V Con- 
greso de Ciencias del Mar del Peru; Lambayeque, Peru, 
21-25 November (W. Carbajal, J. Chaname, E. Angulo, 
and J. Fupuy, eds.), p. 337. Ur.iv. Pedro Ruiz Gallo, 
Lambayeque, Peru. 
Smale, M. J., M. R. Clarke, N. T. W. Klages, and M. A. C. 
Roeleveld. 
1993. Octopod beak identification—resolution at a region¬ 
al level (Cephalopoda, Octopoda: southern Africa). S. 
Afr. J. Mar. Sci. 13:269-293. 
