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Regulation of respiration during juvenile development of Sepia officinalis (Mollusca: Cephalopoda)
De Wachter, B.; Wolf, G.; Richard, A.; Decleir, W. (1988). Regulation of respiration during juvenile development of Sepia officinalis (Mollusca: Cephalopoda). Mar. Biol. (Berl.) 97(3): 365-371. https://dx.doi.org/10.1007/BF00397767
In: Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin. ISSN 0025-3162; e-ISSN 1432-1793
Peer reviewed article  
Available in  Authors 
    Vlaams Instituut voor de Zee: Non-open access 375376 [ request ]
Keywords
    Sepia officinalis Linnaeus, 1758 [WoRMS]
    Marine/Coastal
Authors  Top 
  • De Wachter, B.
  • Wolf, G.
  • Richard, A.
  • Decleir, W.
Abstract
    A culture of juvenile Sepia officinalis L. was kept during summer 1985 in the aquaria of the “Station Marine”, Wimereux, France. During the first four months of juvenile development, oxygen consumption under increasing hypoxia was measured with a closed respirometer. The experiments revealed a high regulatory capacity of juvenile S. officinalis. The critical oxygen concentrations were calculated and their ontogenetical evolution was studied. The critical oxygen concentration increased with increasing development. A linear relationship emerged between the critical oxygen concentration and the logarithm of the wet weight [COc (mg O2 l-1)=-0.393+0.893×log10(Ww)]. The decreasing regulatory capacity of growing S. officinalis is most probably related to adaptations to a changing ecological environment during development. Another possibility is a physiological change, most probably related to the shift from embryonic to adult hemocyanin.
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