Morgi yw'r morgi mawr gwyn (Carcharodon carcharias). Mae weithiau'n ymosod ar fodau dynol.
Cyfeiriadau
↑Gottfried M.D., Fordyce R.E. (2001). "An associated specimen of Carcharodon angustidens (Chondrichthyes, Lamnidae) from the Late Oligocene of New Zealand, with comments on Carcharodon interrelationships". Journal of Vertebrate Paleontology21 (4): 730–739. doi:10.1671/0272-4634(2001)021[0730:AASOCA]2.0.CO;2. ISSN0272-4634.