Estimates of size for the large octopus Macroctopus maorum from measures of beaks in prey remains

References

• Anderson , TJ . 1999 . Morphology and biology of Octopus maorum Hutton 1880 in northern New Zealand . Bulletin of Marine Science , 65 : 657 – 676 .
   Web of Science ®Google Scholar
• Batham , EJ . 1957 . Care of eggs by Octopus maorum . Transactions of the Royal Society of New Zealand , 84 : 629 – 638 .
   Google Scholar
• Benham , WB . 1943 . The octopodous mollusca of New Zealand—III. The giant octopus, Macroctopus maorum (Hutton)—in youth, adolescence and maturity . Transactions of the Royal Society of New Zealand , 73 : 139 – 153 .
   Google Scholar
• Brock , DJ and Ward , TM . 2004 . Maori octopus (Octopus maorum) bycatch and southern rock lobster (Jasus edwardsii) mortality in the South Australian rock lobster fishery . Fishery Bulletin , 102 : 430 – 440 .
   Web of Science ®Google Scholar
• Clarke , MR . 1986 . A handbook for the identification of cephalopod beaks , 273 Oxford : Clarendon Press .
   Google Scholar
• Fea , NI , Harcourt , R and Lalas , C . 1999 . Seasonal variation in the diet of New Zealand fur seals (Arctocephalus forsteri) at Otago Peninsula, New Zealand . Wildlife Research , 26 : 147 – 160 .
   Web of Science ®Google Scholar
• Gales , NJ and Cheal , AJ . 1992 . Estimating diet composition of the Australian sea‐lion (Neophoca cinerea) from scat analysis: an unreliable technique . Wildlife Research , 19 : 447 – 456 .
   Web of Science ®Google Scholar
• Gales , R , Pemberton , D , Lu , CC and Clarke , MR . 1993 . Cephalopod diet of the Australian fur seal: variation due to location, season and sample size . Australian Journal of Marine and Freshwater Research , 44 : 657 – 671 .
   Web of Science ®Google Scholar
• Grubert , MA and Wadley , VA . 2000 . Sexual maturity and fecundity of Octopus maorum in southeast Tasmania . Bulletin of Marine Science , 66 : 131 – 142 .
   Web of Science ®Google Scholar
• Harcourt , RG , Bradshaw , CJA , Dickson , K and Davis , LS . 2002 . Foraging ecology of a generalist predator, the female New Zealand fur seal . Marine Ecology Progress Series , 227 : 11 – 24 .
   Web of Science ®Google Scholar
• Hume , F , Hindell , MA , Pemberton , D and Gales , R . 2004 . Spatial and temporal variation in the diet of a high trophic level predator, the Australian fur seal (Arctocephalus pusillus doriferus) . Marine Biology , 144 : 407 – 415 .
   Web of Science ®Google Scholar
• Imber , MJ . 1999 . Diet and feeding ecology of the royal albatross Diomedea epomophora—king of the shelf break and inner slope . Emu , 99 : 200 – 211 .
   Web of Science ®Google Scholar
• Jobling , M and Breiby , A . 1986 . The use and abuse of fish otoliths in studies of feeding habits of marine piscivores . Sarsia , 72 : 255 – 260 .
   Google Scholar
• Klages , NTW . 1996 . Cephalopods as prey. II Seals . Philosophical Transactions of the Royal Society London B , 351 : 1045 – 1052 .
   Web of Science ®Google Scholar
• Lake , S . 1997 . “ Analysis of the diet of New Zealand fur seals Arctocephalus forsteri in Tasmania ” . In Marine mammal research in the Southern Hemisphere , Status, ecology and medicine Edited by: Hindell , M and Kemper , C . Vol. 1 , 125 – 129 . Chipping Norton : Surrey Beatty & Sons .
   Google Scholar
• Lalas , C . 1997 . “ Prey of Hooker's sea lions Phocarctos hookeri based at Otago Peninsula New Zealand ” . In Marine mammal research in the Southern Hemisphere Vol. 1: Status, ecology and medicine , Edited by: Hindell , M and Kemper , C . Vol. 1 , 130 – 136 . Chipping Norton : Surrey Beatty & Sons .
   Google Scholar
• Littnan , CL , Arnould , JPY and Harcourt , RG . 2007 . Effect of proximity to the shelf edge on the diet of female Australian fur seals . Marine Ecology Progress Series , 338 : 257 – 267 .
   Web of Science ®Google Scholar
• Norman , MD and Hochberg , FG . 2005 . The current state of octopus taxonomy . Phuket Marine Biological Center Research Bulletin , 66 : 127 – 154 .
   Google Scholar
• Norman , M and Reid , A . 2000 . A guide to squid, cuttlefish and octopuses of Australasia , 96 Collingwood : CSIRO Publishing .
   Google Scholar
• Ogden , RS , Allcock , AL , Watts , PC and Thorpe , JP . 1998 . The role of beak shape in octopodid taxonomy . South African Journal of Marine Science , 20 : 29 – 36 .
   Google Scholar
• O'Shea , S . 1999 . The marine fauna of New Zealand: Octopoda (Mollusca: Cephalopoda) , NIWA Biodiversity Memoir No. 112 280 Wellington, , New Zealand : National Institute of Water and Atmospheric Research .
   Google Scholar
• Pierce , GJ and Boyle , PR . 1991 . A review of methods for the diet analysis in piscivorous marine mammals . Oceanography and Marine Biology: an Annual Review , 29 : 409 – 486 .
   Web of Science ®Google Scholar
• Robertson , SMC and Hartwick , EB . 1983 . Relationship between beak morphometrics and live wet weight of the giant Pacific octopus Octopus dofleini martini (Wülker) . Veliger , 26 : 26 – 29 .
   Google Scholar
• Roper , CFE and Voss , GL . 1983 . Guidelines for taxonomic descriptions of cephalopod species . Memoirs of the National Museum of Victoria , 44 : 49 – 63 .
   Google Scholar
• Smale , MJ , Clarke , MR , Klages , NYW and Roeleveld , MAC . 1993 . Octopod beak identification—resolution at a regional level (Cephalopoda, Octopoda: southern Africa) . South African Journal of Marine Science , 13 : 269 – 293 .
   Web of Science ®Google Scholar
• Smale , MJ , Watson , G and Hecht , T . 1995 . Otolith atlas of southern African marine fishes , Ichthyological Monographs of the JLB Smith Institute of Ichthyology No. 1 253 Grahamstown, , South Africa
   Google Scholar
• Smith , CD , Groeneveld , JC and Maharaj , G . 2006 . The life history of the giant octopus Octopus magnificus in South African waters . African Journal of Marine Science , 28 : 561 – 568 .
   Web of Science ®Google Scholar
• Tate , ML . 1981 . The autumn‐winter diet of the New Zealand fur seal Arctocephalus forsteri (Lesson) with special reference to its cephalopod prey , Dunedin, , New Zealand : University of Otago . Unpublished PGDip WLM thesis
   Google Scholar
• Tollit , DJ , Stewart , MJ , Thompson , PM , Pierce , GJ , Santos , MB and Hughes , S . 1997 . Species and size differences in the digestion of otoliths and beaks: implications for estimates of pinniped diet composition . Canadian Journal of Fisheries and Aquatic Sciences , 54 : 105 – 119 .
   Web of Science ®Google Scholar
• Tollit , DJ , Heaslip , S , Deagle , B , Iverson , S , Joy , R , Rosen , D and Trites , AW . 2006 . “ Estimating diet composition in sea lions: which technique to use? ” . In Sea lions of the world , Edited by: Trite , AW , Atkinson , SK , DeMaster , DP , Fritz , LW , Gelatt , TS , Rea , LD and Wynne , KM . 293 – 307 . Fairbanks, Alaska : Sea Grant College Program, University of Alaska Fairbanks .
   Google Scholar
• Villanueva , R , Sánchez , P and Compagno Roeleveld , MA . 1991 . Octopus magnificus (Cephalopoda: Octopodidae), a new species of large octopod from the southeastern Atlantic . Bulletin of Marine Science , 49 : 39 – 56 .
   Web of Science ®Google Scholar
• Zar , JH . 1999 . Biostatistical analysis. , 4th ed , 929 Englewood Cliffs : Prentice Hall .
   Google Scholar