Systematic observations on tropical Asian medakas or ricefishes of the genusOryzias, with descriptions of four new species Tyson R. Roberts OriginalPaper Pages: 213 - 224
Freshwater fugu or pufferfishes of the genusTetraodon from the Mekong basin, with descriptions of two new species Tyson R. Roberts OriginalPaper Pages: 225 - 234
Effects of dark-light step transitions on circadian locomotor activity rhythms of the hagfish,Eptatretus burgeri Hiroshi Kabasawa OriginalPaper Pages: 235 - 239
Annual reproductive cycle based on histological changes in the ovary of the female mosquitofish,Gambusia affinis, in central Japan Yasunori KoyaTakako ItazuMutsumi Inoue OriginalPaper Pages: 241 - 248
Redescription of a rare bothid,Asterorhombus bleekeri (Macleay), and description of a new species ofAsterorhombus from northwestern Australia (Teleostei: Pleuronectiformes) Kunio AmaokaMasahito Arai OriginalPaper Pages: 249 - 257
Parsimony analysis of the distribution pattern of Japanese primary freshwater fishes, and its application to the distribution of the bagrid catfishes Katsutoshi Watanabe OriginalPaper Pages: 259 - 270
Validity of the leiognathid fish,Gazza dentex (Valenciennes in Cuvier and Valencinnes, 1835), with designation of a lectotype, and redescription ofG. minuta (Bloch, 1795) Tsuyoshi YamashitaSeishi KimuraYukio Iwatsuki OriginalPaper Pages: 271 - 280
The leopardChimaera, a new species of chimaeroid fish from New Zealand (Holocephali, Chimaeriformes, Chimaeridae) Dominique A. Didier OriginalPaper Pages: 281 - 289
Development of juveniles of four flatheads (Perciformes, Platycephalidae) occurring in southern Japan Masashi HirotaKunio Sasaki OriginalPaper Pages: 291 - 301
Development of the vertebral column and caudal complex in a flyingfish,Parexocoetus mento mento (Teleostei: Exocoetidae) Juanito C. DasilaoKosaku Yamaoka OriginalPaper Pages: 303 - 308
Application of otolith Sr: Ca ratios to estimate the migratory history of masu salmon,Oncorhynchus masou Takaomi AraiKatsumi Tsukamoto OriginalPaper Pages: 309 - 313
Redescription of a snailfish,Liparis chefuensis, with comments on its sexual dimorphism and synonymy (Scorpaeniformes: Liparidae) Youn ChoiKaoru KidoKunio Amaoka OriginalPaper Pages: 314 - 318
Notes on the mating system ofOmobranchus elegans andO. fasciolatoceps (Blenniidae) at Maizuru, Japan Tomoki Sunobe OriginalPaper Pages: 319 - 321
International Conference on the Loaches of the GenusCobitis (and related genera) Editorial Notes & Announcements Pages: 323 - 324
Information on fishes welcomed toIchthyological Research Editorial Notes & Announcements Pages: 324 - 324
