+ Site Statistics
References:
54,258,434
Abstracts:
29,560,870
PMIDs:
28,072,757
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Reproduction in the apodid sea cucumber Polycheira rufescens: Semilunar spawning rhythm and sex change



Reproduction in the apodid sea cucumber Polycheira rufescens: Semilunar spawning rhythm and sex change



Journal of the Marine Biological Association of the United Kingdom 78(1): 249-267



Most fertile individuals of the apodid sea cucumber Polycheira rufescens, living in the intertidal zone near Iso Marine Station in southern Kyushu, Japan, spawned on day one and two before every full and new moon in the period from the second half of July until August or October from 1983 to 1989, the month differing in different years. Synchronous spawning associated with the same phases of the moon was also observed at Sakurajima Marine Station near Iso in 1991. Individuals ready to spawn were divided into four sexual types: two sorts of hermaphroditic males with small or larger growing oocytes and males and females. Further investigation revealed that some individuals changed from male to female or from female back to male in the two week interval between spawnings. Moreover synchronous gametogenesis occurred in association with sex changes throughout the breeding season, the period from initiation of spermatogonia proliferation to spermatozoa release was three weeks, and the period from initiation of oocyte growth to egg shedding was about five weeks.

Please choose payment method:






(PDF emailed within 0-6 h: $19.90)

Accession: 009341115

Download citation: RISBibTeXText

DOI: 10.1017/S0025315400040078


Related references

Semilunar spawning rhythm and sex conversion during one breeding season in a sea cucumber polycheira rufescens. Zoological Science (Tokyo) 6(6): 1218, 1989

Semilunar spawning rhythm hermaphroditism and sex conversion during one breeding season in a sea cucumber polycheira rufescens. Zoological Science (Tokyo) 2(6): 942, 1985

Reproduction in the Apodid Sea Cucumber Patinapta ooplax: Semilunar Spawning Cycle and Sex Change. Zoological Science 17(1): 75-81, 2008

Autotomy of the apodid sea cucumber Polycheira fusca rufescens observations and surgical experiments. Reports of the Faculty of Science Kagoshima University. December; 34: 25-33, 2001

Temporal change in density and size structure of the sea cucumber Polycheira rufescens inhabiting the intertidal boulder beach at Hatakejima Island, Tanabe Bay, Central Japan. Publications of the Seto Marine Biological Laboratory 35(6): 363-370, 1992

Sex change and spatial distribution pattern in an intertidal holothurian Polycheira rufescens in the reproductive season. Researches on Population Ecology (Tokyo) 41(3): 235-242, 1999

Ultrastructural changes during oogenesis in the holothurian polycheira rufescens. Zoological Science (Tokyo) 7(6): 1085, 1990

The physiological ecology of the intertidal holothurian Polycheira rufescens. Morton, B. (ed.). The Marine Flora And Fauna Of Hong Kong And Southern China, Ii, Vols. 1, 2 And 3. Introduction And Taxonomy, Vol. 1; Taxonomy And Ecology, Vol. 2; And Behaviour, Morphology, Physiology And Pollution, Vol. 3; Second International Marine Biological Workshop: The Marine Flora And Fauna Of Hong Kong And Southern China, Hong Kong, Hong Kong, April 2-24,. Xxviii 448p.(vol. 1); Xi 492p.(vol. 2); X 326p.(vol. 3) Hong Kong University Press: Hong Kong, Hong Kong. Illus. Paper, 1990

Cloning and expression of melatonin receptors in the mudskipper Boleophthalmus pectinirostris: their role in synchronizing its semilunar spawning rhythm. General and Comparative Endocrinology 195: 138-150, 2014

Insulative adaptation to cold and absence of circadian body temperature rhythm in Afghan pikas (Ochotona rufescens rufescens). Tropical Medicine1997): 107-116, 1997

Insulative adaptation to cold and absence of circadian body temperature rhythm in afghan pikas (Ochotona rufescens rufescens). Tropical Medicine 38(3-4): 107-116, 1996

Mortality of pentactulae during intraovarian brooding in the apodid sea cucumber Leptosynapta clarki. Biological Bulletin (Woods Hole) 190(2): 188-194, 1996

Small size, brooding, and protandry in the apodid sea cucumber Leptosynapta clarki. Biological Bulletin (Woods Hole) 187(1): 112-123, 1994

Diets of two sympatric neotropical salamanders, Bolitoglossa mexicana and B. rufescens, with notes on reproduction for B. rufescens. Journal of Herpetology 33(4): 601-607, 1999

Reproduction of the intraovarian brooding apodid Leptosynapta clarki Echinodermata Holothuroidea in British Columbia. Marine Biology (Berlin) 121.2: 285-300, 1994