Uncisudis posteropelvis, a new species of barracudina (Aulopiformes: Paralepididae) from the western North Pacific Ocean Atsushi FukuiTakakazu Ozawa OriginalPaper Pages: 289 - 294
Changes in morphological characteristics of an introduced population of the threespine stickleback Gasterosteus aculeatus in Lake Towada, northern Japan Seiichi MoriNoriko Takamura OriginalPaper Pages: 295 - 300
Development and distribution of the early life stages of the longfin pearleye Benthalbella linguidens (Aulopiformes: Scopelarchidae) in the western North Pacific Makoto OkamotoHiroya SugisakiHitoshi Ida OriginalPaper Pages: 301 - 308
Early development of the self-fertilizing mangrove killifish Rivulus marmoratus reared in the laboratory Maria Vivian Camacho GragedaYoshitaka SakakuraAtsushi Hagiwara OriginalPaper Pages: 309 - 315
Female mate preference based on male orange spot patterns in the feral guppy Poecilia reticulata in Japan Kenji KarinoShinya Shinjo OriginalPaper Pages: 316 - 320
Individual food niche specialization in stream-dwelling charr Kei’ichiro IguchiNaoto MatsubaraKoji Maekawa OriginalPaper Pages: 321 - 326
Homologies of the adductor mandibulae muscles in Tetraodontiformes as indicated by nerve branching patterns Masanori NakaeKunio Sasaki OriginalPaper Pages: 327 - 336
Ontogeny of the mandarinfish Siniperca chuatsi (Perciformes: Sinipercidae) reared in aquarium Toshio DoiShigeru AoyamaIzumi Kinoshita OriginalPaper Pages: 337 - 342
Genetic evidence for multiple geographic populations of the giant mottled eel Anguilla marmorata in the Pacific and Indian oceans Satoshi IshikawaKatsumi TsukamotoMutsumi Nishida OriginalPaper Pages: 343 - 353
Territorial defense against various food competitors in the Tanganyikan benthophagous cichlid Neolamprologus tetracanthus Kazunori MatsumotoMasanori Kohda OriginalPaper Pages: 354 - 359
A review of the systematics of the sleeper shark genus Somniosus with redescriptions of Somniosus (Somniosus) antarcticus and Somniosus (Rhinoscymnus) longus (Squaliformes: Somniosidae) Kazunari YanoJohn D. StevensLeonard J. V. Compagno OriginalPaper Pages: 360 - 373
Catch efficiency of a small seine for benthic juveniles of the yellowfin goby Acanthogobius flavimanus on a tidal mudflat Kouki KanouMitsuhiko SanoHiroshi Kohno OriginalPaper Pages: 374 - 376
Evidence of downstream migration of Sakhalin taimen, Hucho perryi, as revealed by Sr : Ca ratios of otolith Takaomi AraiAya KotakeKentaro Morita OriginalPaper Pages: 377 - 380
Genetic divergence between and within two color morphotypes of Parapercis sexfasciata (Perciformes: Pinguipedidae) from Tosa Bay, southern Japan Yoshiaki KaiTomoyasu SatoYoshihiko Machida OriginalPaper Pages: 381 - 385
Simultaneous maturation of two discrete oocyte batches in ayu Kei’ichiro Iguchi OriginalPaper Pages: 386 - 388
On the status of the pomacentrid fish Stegastes lividus (Forster) John E. Randall News and Comments Pages: 389 - 391
Erratum to: The karyology of the cyprinid genera Scardinius and Rutilus in southern Europe Pier Giorgio BiancoGennaro ApreaGaetano Odierna Erratum 18 November 2004 Pages: 392 - 392