[Home ] [Archive]    
:: Main :: About :: Current Issue :: Archive :: Search :: Submit ::
:: Volume 1, Issue 1 (1-1999) ::
IJFS 1999, 1 Back to browse issues page
Age and growth of marbled sole Pleuronectoes yokohomae in Kikonai Bay, Hokkaido, Japan
M.M. Shafieipour * , T. Takahashi , K. Ishino , T. Takatsu , T. Nakatani
, ifro@dci.iran.com
Abstract:   (750 Views)
Age and growth of marbled sole Pleuronectes yokohamae werer estimated from growth increments in otolith. The samples were collected with commercial set nets and an experimental bottom trawl net in Kikonai Bay and the nearby waters, southern coast of Hokkaido, from May 1994 to July 1995. Monthly changes in the percentage occurrence of oltoliths with translucent edge in one band and the marginal increments on the other hand verified that the translucent zone was formed once a year after their spawning season in May, indicating availability of outer margin of translucent zone as an annulus. The regression method as well as Fraser-Lee's method was used to estimate the back-calculated lengths. Growth of marbled sole was expressed by the von Bertalanffy asymptotic growth function: TLt=361.78[1-exp-0.390(t-0.098)) for males and  TLt=438.15[1-exp-0.323(t-0.145)) for females using back-calculated lengths by the regression method and TLt=367.04[1-exp-0.388(t-0.114))] for males and TLt=436.05[1-exp-0.323(t-0.147)) for females by the Fraser-Lee's method, where TLt is total length (millimeters) at estimated age t.
The theoretical lengths predicted by these two methods at all estimated ages were very similar. It was found that the growth rate of marbled sole in this study area was relatively high compared to those obtained in the Inland Sea of Japan as. However, the highest growth rate was observed with regard to the population off Fukushima Prefecture, although the bottom water temperatures were similar to those in Kikonai Bay. It is inferred that the geographical variation in the growth rates of marbled sole is influenced by the hydrographic and food conditions.
Keywords: Age, Growth, Otolith, Marbled sole, Geographical variation
Full-Text [PDF 2802 kb]   (211 Downloads)    
Type of Study: Orginal research papers | Subject: Biology & physiology
Received: 2017/12/13 | Accepted: 2017/12/13 | Published: 2017/12/13
Send email to the article author

Add your comments about this article
Your username or Email:


XML     Print

Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:

Shafieipour M, Takahashi T, Ishino K, Takatsu T, Nakatani T. Age and growth of marbled sole Pleuronectoes yokohomae in Kikonai Bay, Hokkaido, Japan . IJFS. 1999; 1 (1) :5-22
URL: http://jifro.ir/article-1-3186-en.html

Volume 1, Issue 1 (1-1999) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
Persian site map - English site map - Created in 0.05 seconds with 32 queries by YEKTAWEB 3855