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					|  | Japanese Journal of Ichthyology |  |  
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					|  |  Volome 47, Number 1, May 25, 2000 |  |  
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											| Announcement for the 
												2000 Annual Meeting |  
											| Review |  
											| Present status and perspectives on phylogenetic systematics and speciation in lampreys Yuji Yamazaki and Akira Goto  … 1
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											| Full Papers |  |  
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											| Embryonic development and morphological changes in larvae and juveniles of two land-locked gobies, Rhinogobius spp. (Gobiidae), on Okinawa Island Kentaro Hirashima and Katsunori Tachihara  … 29
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											| Bathyonus caudalis, a newly recorded 
												deep-sea ophidiid fish from the north-western Pacific 
												(Ophidiiformes) Hiromitsu Endo, Yoshihiko Machida and Fumihiro 
												Ono  … 43
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											| Record of a leiognathid fish, Secutor 
												megalolepis, from Japan (Perciformes) Tsuyoshi Yamashita, Seishi Kimura, Yukio Iwatsuki 
												and Tetsuo Yoshino  … 49
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											| Distributions of the spawning grounds 
												of four amphidromous gobies (Rhinogobius spp.) in the 
												Aizu River, Wakayama Prefecture, Japan Kazuaki Tamada  … 55
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											| A method for the individual identification using the variation in the natural white linear markings on the abdomen of the cobitid fish Lefua sp. Shigeru Aoyama  … 61
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											| Natural hybrids between two species of puffer, Takifugu vermicularis and T. poecilonotus obtained from the Seto Inland Sea, Japan Koji Yokokawa and Kimiharu Urayama  … 67
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											| Book Review  … 74 New Publications  … 75
 News & Comments  … 76
 Proceedings  … 78
 Editorials  … 79
 Japanese Abstracts
 Papers published in Ichthyological Research, Volume 47, 
												Numbers 1 & 2  … 80
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