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Journal of Tropical Oceanography ›› 2010, Vol. 29 ›› Issue (4): 148-153.doi: 10.11978/j.issn.1009-5470.2010.04.148cstr: 32234.14.j.issn.1009-5470.2010.04.148

• Marine biology • Previous Articles     Next Articles

Morphological character of ossicles in eight tropical holothurians in the Xisha Islands of China

FAN Si-gang1,2, HU Chao-qun1, ZHANG Lü-ping1, WEN-Jing1,2   

  1. 1. Key Laboratory of Marine Bio-resources Sustainable Utilization of CAS, Key Laboratory of Applied Marine Biology of Guangdong Province, South China Sea Institute of Oceanology, CAS, Guangzhou 510301, China; 2.Graduate University of CAS, Beijing 100039, China
  • Received:2009-12-14 Revised:2010-01-31 Online:2010-07-31 Published:2010-07-29
  • Contact: 胡超群。 E-mail:cqhu@scsio.ac.cn
  • About author:范嗣刚(1982—), 男, 湖南省吉首市人, 博士研究生, 从事海参系统分类和种质资源研究。E-mail: calvin1845@yahoo.com.cn
  • Supported by:

    国家科技支撑计划项目(2009BAB44B02); 广东省科技计划项目(2007A020300007-15); 广东省海洋渔业科技项目(A200899E02,
    A200901E01) ; 广西自治区重点科技项目(桂科攻0815006-2)

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Abstract:

The dorsal skin ossicles of eight tropical holothurians in the Xisha Islands were observed by scanning electronic microscope (SEM). The results showed that nine kinds of ossicles, including table, pseudo-table, rosette, perforated plate, rod, button, pseudo-button, C-shape and X-shape, were found in eight holothurians. Two kinds of ossicles were observed in Holothuria edulis, Actinopyga echinites and Holothuria fuscogliva; four kinds were observed in Bohadschia marmorata and three kinds were observed in the remaining holothurians, including Stichopus horrens, Holothuria fuscopunctata, Pearsonothuria graeffei and Holothuria atra. A type of table and a type of perforated plate were observed in Holothuria edulis; a type of rosette and a type of perforated plate were observed in Actinopyga echinites; a type of button and a type of table were observed in Holothuria fuscogliva; three types of rosettes, a type of rod, a type of X-shape and a type of perforated plate were observed in Bohadschia marmorata; two types of tables, a type of rosette and a type of C-shape were observed in Stichopus horrens; a type of button; a type of pseudo-button and a type of table were observed in Holothuria fuscopunctata; a type of perforated plate, a type of rosette and a type of pseudo-table were observed in Pearsonothuria graeffei; a type of table, a type of rosette and a type of rod were observed in Holothuria atra. Compared with the previous reports about holothurians ossicle, some new findings, including ossicles of Holothuria fuscopunctata, rod of Holothuria atra and perforated plate of Pearsonothuria graeffei, Holothuria fuscogliva, Bohadschia marmorata and Actinopyga echinites, were observed and described in this study.

Key words: holothurian, ossicle, scanning electronic microscope (SEM)