The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY (한국해양학회지:바다)

The Korean Society of Oceanography (한국해양학회)
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Morphological Development, Growth and Survival of Barbour's Seahorse, Hippocampus barbouri

해마류 Hippocampus harbouri의 외부형태 발달과 성장 그리고 생존

  • Choi Young-Ung (Faculty of Applied Marine Science, Cheju National University) ;
  • Jung Min-Min (Jeju Fisheries Research Institute, National Fisheries Research Development Institute) ;
  • Kim Sung-Chul (Seaweed Research Center, South Sea Fisheries Research Institute, National Fisheries Research Development Institute) ;
  • Kim Jae-Woo (Jeju Fisheries Research Institute, National Fisheries Research Development Institute) ;
  • Lee Jung-Uie (Jeju Fisheries Research Institute, National Fisheries Research Development Institute) ;
  • Lee Yoon-Ho (South Sea Fisheries Research Institute, National Fisheries Research Development Institute) ;
  • Rho Sum (Faculty of Applied Marine Science, Cheju National University)
  • 최영웅 (제주대학교 해양생산과학) ;
  • 정민민 (국립수산과학원 제주수산연구소) ;
  • 김성철 (국립수산과학원 남해수산연구소 해조류연구센터) ;
  • 김재우 (국립수산과학원 제주수산연구소) ;
  • 이정의 (국립수산과학원 제주수산연구소) ;
  • 이윤호 (국립수산과학원 남해수산연구소) ;
  • 노섬 (제주대학교 해양생산과학)
  • Published : 2006.08.01
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Abstract

We have investigated morphological development with growth and survival rates of juvenile for 158 days after parturition to get a basis data in the way of establishment of breeding techniques in the common seahorse species of Barbour's seahorse, Hippocampus barbouri. At 1 day after parturition, seahorse larvae were $8.82\sim10.36mm(mean\;9.48{\pm}0.69mm,\;n=4)$ in standard length (SL) with 17 dorsal fm rays, 14 pectoral fin rays and 4 anal fin rays. At 20 days after parturition, the size of seahorse larvae were $14.37\sim15.79mm(14.97{\pm}0.62mm,\;n=4)$ in SL, snout of seahorse larvae became slender was long, and body was coloration to the full as adult seahorse. At 41 days after parturition, seahorse larvae were grew $20.14\sim24.89mm(22.89{\pm}2.22mm,\;n=4)$ in SL with development of several spines in coronet, and their have 11 trunk rings and 35 tail rings. At 158 days after parturition, seahorse were grew to $59.07\sim63.76mm(61.42{\pm}3.32mm\;n=2)$, and head length (HL), trunk length (TrL) and tail length (TaL) were composed respectively $19.1{\pm}0.3%,\;25.2{\pm}0.7%$ and $55.8{\pm}0.3%$ of SL. In this time, survival rate is 15.6%.

해마류 Hippocampus harbouri의 인공번식 기술개발을 위한 이 연구는 인도네시아 원산의 H. barbouri 1개체가 출산한 154마리의 자어를 대상으로 형태적 발달의 특징, 성장 그리고 생존율을 조사하였다. 출산 후 1일째 자어는 표준체장이 $8.82\sim10.36mm$ (평균 $9.48{\pm}0.69mm$, n=4)이고, 등지느러미 가슴지느러미 그리고 뒷지느러미 줄기 수는 각각 17, 14그리고 4개 형성되어 있었다. 출산 후 16일째 표준체장은 $12.33\sim13.91mm\;(13.01{\pm}0.75mm)$로 성장하면서 체륜 극은 날카롭게 발달하여 성체와 비슷한 모습을 띄기 시작하였다. 출산 후 20일째 체장이 $14.37\sim15.79mm$ ($14.97{\pm}0.62mm$, n=4)로 성장하면서 주둥이가 가늘고 길어졌고 아래턱 주변부위도 완전히 착색되어 성어와 거의 유사한 체색과 체형을 갖추었고 이 시기 생존율은 91.6%이었다. 출산 후 41일째 치어는 표준체장이 $20.14\sim24.89mm(22.89{\pm}2.22mm,\;n=4)$로 성장하면서 머리의 극은 원통형으로 굵어지고 끝에서 여러 개의 돌기가 돋아서 관의 모양으로 발달하였는데 이 시기 체륜은 몸통에 11, 미부에 35개가 형성되어 있는 것을 관찰할 수 있었고 이 시기 생존율은 57.1%였다. 출산 후 158일째에는 $59.07\sim63.76mm(61.42{\pm}3.32mm\;n=2)$으로 성장하여 체장에 대한 두장, 몸 통장 그리고 미장의 비율은 각각 $19.1{\pm}0.3%,\;25.2{\pm}0.7%$그리고 $55.8{\pm}0.3%$이었고 이 시기 생존율은 15.6%였다.

Keywords

References

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