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					|  | Japanese Journal of Ichthyology |  |  
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					|  |  Volume 53, May 1, November 25, 2006 |  |  
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											| Biogeographical history of Japanese freshwater fishes: Phylogeographic approaches and perspectives Katsutoshi Watanabe, Hiroshi Takahashi, Akihisa Kitamura, Ryota Yokoyama, Tadao Kitagawa, 
												Hirohiko Takeshima, Shunpei Sato, Shoichiro Yamamoto, Yusuke Takehana, Takahiko Mukai, 
												Kenichi Ohara and Kei?ichiro Iguchi … 1
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											| Distribution and habitat of the Ajime-loach, Niwaella delicata, in the Ai River, Osaka Prefecture, Japan Kazuya Hiramatsu and Kazumi Hosoya … 39
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											| Egg and larval development of the bitterling, Rhodeus pseudosericeus (Cyprinidae) Nobuhiro Suzuki  … 47
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											| Breeding ecology of bluegill Lepomis macrochirus, an invasive alien species, in the north basin of Lake Biwa, central Japan Hiroyuki Nakao, Kentarou Fujita, Taketo Kawabata, Katsuki Nakai and Hiroichi Sawada … 55
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											| Ontogeny of the freshwater goby Odontobutis hikimius in an aquarium Toshio Doi and Shigeru Aoyama … 63
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											| Longitudinal distribution and dietary habits of the genus Rhinogobius in the Genka River of northern Okinawa Island, Japan Kentarou Hirashima and Katsunori Tachihara … 71
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											| First record of slender barracudina, Lestidiops ringens, (Aulopiformes: Paralepididae), from Japan Makoto Okamoto, Hiroya Sugisaki, Masatoshi Moku and Yuji Okazaki … 77
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											| First record of two leiognathid fishes, Gazza achlamys and Leiognathus aureus, from Japan (Perciformes: Leiognathidae) Ryoko Kimura, Seishi Kimura, Hidenori Yoshigo and Tetsuo Yoshino … 83
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											| Record of a cottid fish, Icelinus pietschi, collected from Hokkaido and Miyagi Prefecture, Japan Osamu Tsuruoka, Takuzo Abe, Hiroyuki Munehara and Mamoru Yabe … 89
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											| Occurrence of Merluccius productus from the western North Pacific (Gadiformes: Merlucciidae) Hiromitsu Endo and Daiji Kitagawa … 95
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											| Errata  … 101 Book Review  … 103
 New Publications  … 105
 News & Comments  … 106
 Proceedings  … 113
 Editorials  … 115
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