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  • Other Sources  (3)
  • Taylor & Francis
  • 1980-1984  (2)
  • 1960-1964  (1)
  • 1950-1954
  • 1981  (2)
  • 1962  (1)
  • 1
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    Components of body pattern displays in the octopus Eledone cirrhosa (Mollusca: Cephalopoda) (1981)
    Taylor & Francis
    In:  Marine Behaviour and Physiology, 8 (2). pp. 135-148.
    Details
    Publication Date: 2020-07-14
    Description: The major light and dark components of body displays are described and classified for the octopus Eledone cirrhosa (Lamarck) under aquarium conditions. Comparisons are made with Octopus vulgaris and Eledone moschata. Upon the basic similarity of white display components in the three species is superimposed a trend of modification. Dark components are less various in Eledone cirrhosa and although the chromatophores are organised with leucophores into chromatic units these are not clearly limited morphologically by “grooves”. The mottle patterns of Eledone seem to be arranged along the longitudinal and latitudinal (radial) axes of the animal, the grade of mottle does not respond to grade of background contrast.
    Type: Article , PeerReviewed
    Format: text
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  • 2
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    Growth of Todarodes sagittatus(Lamarck) (Cephalopoda, Ommastrephidae) from the northeast Atlantic, based on counts of statolith growth rings (1981)
    Taylor & Francis
    In:  Sarsia, 66 (1). pp. 53-57.
    Details
    Publication Date: 2020-05-28
    Description: Growth is described from size-at-age data. Size-at-age was determined from counts of daily growth rings on the statoliths of 65 individuals. A mean growth rate of 2 mm/day was calculated for a dorsal mantle length range of 15-52 cm. The month in which each individual hatched was back-calculated from the age data. A histogram of the frequency of hatching through the year is presented and shows peaks in May and October.
    Type: Article , PeerReviewed
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  • 3
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    South African cephhalopods (1962)
    Taylor & Francis
    In:  Transactions of the Royal Society of South Africa, 36 (4). pp. 245-272.
    Details
    Publication Date: 2020-05-04
    Description: Sixty-six species of cephalopods are listed from South Africa from the area bounded on the east by Delagoa Bay and on the west by Luderitz Bay. Four new species are described and illustrated: Idiosepius biserialis, Idiosepius macrocheir, Inioteuthis capensis and Eledone thysanophora. In addition some of the species of cephalopods described by Robson from South Africa are redescribed or evaluated based on re-examination of the types in the British Museum. The history of cephalopod studies in South Africa is reviewed and all pertinent literature is cited.
    Type: Article , PeerReviewed
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