The Korean Journal of Malacology (한국패류학회지)

The Malacological Society of Korea (한국패류학회)
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Morphological and Brooding Characteristics of Argonauta argo Linnaeus, 1758 from Korean Water

조개낙지 Argonauta argo Linnaeus, 1758의 형태 및 포란 특성

  • 김영혜 (국립수산과학원 고래연구소) ;
  • 오택윤 (국립수산과학원 자원관리과) ;
  • 박겸준 (국립수산과학원 고래연구소) ;
  • 안용락 (국립수산과학원 고래연구소) ;
  • 김현우 (국립수산과학원 고래연구소) ;
  • 김두남 (국립수산과학원 고래연구소) ;
  • 안두해 (국립수산과학원 고래연구소)
  • Received : 2014.10.17
  • Accepted : 2014.12.26
  • Published : 2014.12.31
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Abstract

One specimen of Argonauta argo belonging to the family Argonautidae, was collected Songjeong, southeastern coastal water of Korea on July 12, 2010. The specimen, a mature female of 76 mm mantle length and 97 mm shell length. The number of ribs are 56 in shell. The shell is distinct between the arm I's. The I arm has expanded, hemi-discoidal web to which the distal part is fused together. The funnel is large and exceeds the base of arm IV. The arms formula is IV > $II{\fallingdotseq}III$ > I. The specimen was female. Fecundity was 155,203 eggs. This species is pelagic octopus and important prey item of dolphin.

표본은 2010년 7월 12일 부산시 송정주변해역에서 정치망에 어획된 것을 채집하였다. 패각 방사륵은 56개이었다. 제1번 팔은 패각을 붙잡고 있으며, 제1번 팔의 기저부는 팔 전체를 덮을 만큼 매우 큰 편평한 막으로 되어 있었다. 출수기관은 비교적 큰 편이어서 4번 팔의 기저부를 넘어선다. 팔길이식은 4 > $2{\fallingdotseq}3$ > 1이었다. 표본은 암컷이며, 포란수는 155,203 립이었다. 난은 타원형이었다. 조개낙지는 표층 부유성 문어이며, 돌고래의 먹이생물 중 하나이다.

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References

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