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  • Articles
  • Other Sources  (3)
  • Articles (OceanRep)  (3)
  • Publication Database PIK
  • Nihon Suisan Gakkai  (3)
  • 1990-1994  (3)
  • 1985-1989
  • 1950-1954
  • 1991  (3)
  • 1
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    Food habits of the frilled shark Chlamydoselachus anguineus collected from Suruga Bay, central Japan (1991)
    Nihon Suisan Gakkai
    In:  NIPPON SUISAN GAKKAISHI, 57 (1). pp. 15-20.
    Details
    Publication Date: 2020-06-22
    Description: In this paper, a stomach content analysis of frilled shark Chlamydoselaclrus anguineus is presented based on 139 specimens caught incidentally by sergestid shrimp midwater trawlins or bottom gill-net fishing conducted in Suruga Bay from 1984 to 1988. The food items of this shark were mostly decapodao cephalopods and fishes, which were found at the frequencies of 60.5% and 10.5 %. respectively among the stomachs containing food. Food items found in the stomach, except for two cases of common squid Todarades paciftcus were digested to such an extent that it was not possible to identify the original shape. Thcrefore, species identification of decapodan cephalopods was performed by their beaks. These includcd bathypelagic species as weil as epipelagic species. The empty stomach rate of specimens examined was 73.4% showing an extremely high Ievel as compared with other deep-water sharks.
    Type: Article , PeerReviewed
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  • 2
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    Validation of Daily Growth Increments in Statoliths of Japanese Common Squid Todarodes pacificus. (1991)
    Nihon Suisan Gakkai
    In:  Bulletin of the Japanese Society of Scientific Fisheries , 57 (11). pp. 2007-2011.
    Details
    Publication Date: 2020-06-26
    Description: In order to validate daily growth increments in statoliths of Japanese common squid Todarodes pacificus, squid were reared for 67 days and fed twice with saury fillets which were immersed in tetracycline HCl (TC) solution. The interval between the first and second oral administrations of TC was 35 days. Two fluorescent marks with TC were observed in the ground and polished statoliths under UV light. The mean number of growth increments between two marks with TC was 34.9(n=17, SD=1.2). This number corresponded with the number of days elapsed (35 days) between two TC administrations. It was concluded from this result that growth increments in the statoliths of T. pacificus were formed daily.
    Type: Article , PeerReviewed
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  • 3
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    Body size and oxygen consumption rate of the oval squid Sepioteuthis lessoniana (1991)
    Nihon Suisan Gakkai
    In:  Bulletin of the Japanese Society of Scientific Fisheries , 57 (9). pp. 1651-1656.
    Details
    Publication Date: 2020-06-26
    Type: Article , PeerReviewed
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