Respiration of the eggs of the giant cuttlefish Sepia apama

On the roofs of subtidal crevices, the giant cuttlefish (Sepia apama) of southern Australia lays clutches of lemon-shaped eggs which hatch after 3 to 5 mo. Diffusion of oxygen through the capsule and chorion membrane to the perivitelline fluid and embryo was modelled using the equation VO2 = G02 (PO...

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Bibliographic Details
Published inMarine biology Vol. 136; no. 5; pp. 863 - 870
Main Authors CRONIN, E. R, SEYMOUR, R. S
Format Journal Article
LanguageEnglish
Published Heidelberg Springer 16.06.2000
Berlin Springer Nature B.V
Subjects
Animal reproduction
Biological and medical sciences
Eggs
Embryos
Fish
Fundamental and applied biological sciences. Psychology
Invertebrates
Life cycle. Embryology. Development
Marine
Marine biology
Mollusca
Oxygen
Oxygen consumption
Physiology. Development
Respiratory system
Sepia apama
Australia
Oceania
ISW, Australia, South Australia
Marine environment
Cephalopoda
Embryonic development
Oxygen
Egg
Morphology
Oxygen consumption
Gas exchange
Invertebrata
Mollusca
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Summary:On the roofs of subtidal crevices, the giant cuttlefish (Sepia apama) of southern Australia lays clutches of lemon-shaped eggs which hatch after 3 to 5 mo. Diffusion of oxygen through the capsule and chorion membrane to the perivitelline fluid and embryo was modelled using the equation VO2 = G02 (PO2out - PO2in), where VO2 = rate of oxygen consumption, GO2 = oxygen conductance of the capsule, and PO2 values = oxygen partial pressures across the capsule.
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ISSN:0025-3162
1432-1793
DOI:10.1007/s002270000274