• [Wiki] http://en.wikipedia.org/wiki/Beringraja_rhina.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Raja_rhina.
• [ADW] http://animaldiversity.ummz.umich.edu/accounts/Raja_rhina/.
• [fishbase] http://www.fishbase.org/Summary/SpeciesSummary.php?ID=2566&AT=Raja+dlugonosa.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Zein1991] Zeiner, S. J. (1991). GROWTH CHARACTERISTICS AND ESTIMATES OF AGE AT MATURITY OF TWO SPECIES OF SKATES (Raja binoculata AND Raja rhina) FROM MONTEREY BAY, CALIFORNIA. PhD thesis, California State University, Stanislaus and Moss Landing Marine Laboratories.