Endocrine contorol of sea cucumber maturation

2016 Fiscal Year Final Research Report

• Project/Area Number: 26450297
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Aquatic life science
• Research Institution: Fisheries Research and Education Agency
• Principal Investigator: Yamano Keisuke 国立研究開発法人水産研究・教育機構, 瀬戸内海区水産研究所, センター長 (10372020)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: ナマコ / 卵成熟 / 産卵 / 種苗生産

Outline of Final Research Achievements

Various sea cucumbers have been listed as a dangerous species. In this study, the reproductive ecology and endocrine controls of maturation of tropical sea cucumber species are examined to obtain basic information for establishing artificial seed production methods for those species.
In Amami area, Kagoshima, the reproductive ecology of 4 sea cucumber species was examined. A spawning season of these species was from May to August, while the exact timing and duration differed among species. Effects of cubifrin, a spawing inducer in the Japanese sea cucumber, and ovarian extracts from the these species for inducing oocyte maturation were examined. Cubifrin induced oocyte maturation only in a certain species, whereas ovarian extracts from these species induced it in various species.

Free Research Field

比較内分泌