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Egg masses of the squid Gonatus fabricii (Cephalopoda, Gonatidae) caught with pelagic trawl off northern Norway
Bjørke, H.; Hansen, K.; Sundt, R.C. (1997). Egg masses of the squid Gonatus fabricii (Cephalopoda, Gonatidae) caught with pelagic trawl off northern Norway. Sarsia 82: 149-152
In: Sarsia. University of Bergen. Universitetsforlaget: Bergen. ISSN 0036-4827, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Bjørke, H.
  • Hansen, K.
  • Sundt, R.C.

Abstract
    A description of egg masses from Gonatus fabricii (Lichtenstein) caught with pelagic trawl in the Norwegian Sea is given. The eggs were kept together in a single layer between two mucous membranes, and the pieces collected appeared to be fragments of more extensive structures torn apart by wear from the sampling gear. No embryos were observed in the eggs, and none of the eggs showed any staining for five enzyme systems analyzed by isoelectric focusing. Either the eggs were caught shortly after spawning and fertilization, or the lack of embryonic tissue reflects the fact that most of the eggs were caught in water colder than 0 °C. The developmental rate at this temperature is expected to be very slow.

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