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On the life of Sepia officinalis (Cephalopoda, Sepioidea) in the ria de Vigo (NW Spain)
Guerra, Á.; Castro, B.G. (1988). On the life of Sepia officinalis (Cephalopoda, Sepioidea) in the ria de Vigo (NW Spain). Cah. Biol. Mar. 29(3): 395-405
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094, more
Peer reviewed article  
Available in  Authors 
Keywords
    Marine/Coastal; Brackish water
Authors  Top 
  • Guerra, Á., more
  • Castro, B.G.
Abstract
    From 1325 specimens of S. officinalis, 612 males and 713 females, caught in 572 trawl hauls from April 1982 to February 1987 in the ria de Vigo, it is inferred that this species lives and spawns throughout the ria, including the inner part where there are large fluctuations in salinity (20-35.5%). It is distributed preferentially along the shores of the central and outer basins of the ria. The highest frequency of apparition occurs in autumn. The main spawning season covers spring and summer, but winter spawning was also observed. Females larger than 120 mm ML were more abundant than males of these size. Males are more precocious than females. Mature and immature animals of both sexes were found in the population the year round.
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