Fish Physiol Biochem (2005) 31:117122 DOI 10.1007/s10695-006-7595-x RESEARCH ARTICLE shake adjustment in red coral reef ?sh Masaru Nakamura Æ Yasuhisa Kobayashi Æ Saori Miura Æ Mohamad Ashraful Alam Æ Ramji Kumar Bhandari Ã" Springer attainment+ production line Media B.V. 2006 Abstract Gonadal speciality shadower take many forms in ?sh, ranging from gonochorism, where individuals directly develop as male or young-bearing(prenominal) and ?nally possess only testis or ovaries at internal maturation, to hermaphroditism where the same individuals can ready mature male and pistillate gametes at some duration in their lives. Hermaphrodite ?sh are, thus, an excellent model for poring over the malleability of hinge upon determination and differentiation in vertebrates. We have shown that lift steroids play a principal role in kindle differentiation and charge switch over in ?sh. Our science laboratory implements some(prenominal) ?sh models that undergo come alive transmute from female to male or male to female or in both directions. In this review, we will brie?y discuss new advances in our sense of the mechanism of sex mixed bag in coral reef ?sh. M. Nakamura (&) Æ Y. Kobayashi Æ S. Miura Æ M. A. Alam Sesoko Station, equatorial Biosphere Research Center, University of the Ryukyus, Sesoko 3422, Motobu-cho, Okinawa 907-0227, japan e-mail: masaru@lab.u-ryukyu.ac.jp M.
Nakamura blossom & SORST, Japan Science and Technology Corporation, Saitama Kawaguchi 332-0012, Japan R. K. Bhandari National fetch for Basic Biology, Okazaki 444- 8585, Japan Keywords Sex variety Æ Est! rogen Æ Tropical ?sh Æ Protogynous sex motley Æ Protandrous sex flip-flop Æ Serial sex change In addition to gonochorism, ?sh exhibit several types of hermaphroditism. Individuals of some ?shes have gonads containing both mature ovary and mature testis. well-nigh ?shes change sex from male to female (protandrous sex change), others change from female to male (protogynous sex change), and a few can change sex either way and multiple times (serial sex change). In...If you motive to get a full essay, order it on our website:
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