Volume 1 Number 1

January 1990
pages 1-96, 38 figs., 19 tabs.

Preface, by M. Kottelat (p. 1)
Kullander, Sven O.: Mazarunia mazarunii (Teleostei: Cichlidae), a new genus and species from Guyana, South America (p. 3)
Costa, Wilson J. E. M. and Gilberto C. Brasil: Description of two new annual fishes of the genus Cynolebias (Cyprinodontiformes: Rivulidae) from the Sao Francisco basin, Brazil (p. 15)
Roberts, Tyson R.: Mimicry of prey by fin-eating fishes of the African characoid genus Eugnathichthys (Pisces: Distichodidae) (p. 23)
Bigorne, Rémy and Didier Paugy: Description de Marcusenius meronai, espèce nouvelle de Mormyridae (Teleostei) de Sierra Leone (p. 33)
Lévêque, Christian: Relict tropical fish fauna in Central Sahara (p. 39)
Kottelat, Maurice: Synopsis of the endangered Buntingi (Osteichthyes: Adrianichthyidae and Oryziidae) of Lake Poso, Central Sulawesi, Indonesia, with a new reproductive guild and description of three new species (p. 49)
Yang Jun-Xing, Chu Xin-Luo and Chen Yin-Rui: Subspecific differentiation of Acheilognathus elongatus (Teleostei: Cyprinidae) in Dianchi, Fuxian and Yangzonghai Lakes, Eastern Yunnan, China (p. 69)
Paugy, Didier: Note à propos des Petersinii (Teleostei: Characidae) d’Afriqué Occidentale (p. 75)
Kullander, Sven O.: A new species of Crenicichla (Teleostei: Cichlidae) from the Rio Tapajos, Brasil, with comments on interrelationships of small crenicichline cichlids (p. 85)
Book reviews (p. 95)

Volume 1 Number 2

April 1990
pages 97-102, 46 figs., 20 tabs.

Kortmulder, Koenraad, K. G. Padmanabhan and Sena S. De Silva: Patterns of distribution and endemism in some cyprinid fishes as determined by the geomorphology of South-West Sri Lanka and South Kerala (India) (p. 97)
Crowley, L. E. L. M. and W. Ivantsoff: A second hardyhead, Craterocephalus gloveri (Pisces: Atherinidae), from Dalhousie Springs, central Australia (p. 113)
Davis, William P., D. Scott Taylor and Bruce J. Turner: Field observations of the ecology and habits of mangrove rivulus (Rivulus marmoratus) in Belize and Florida (Teleostei: Cyprinodontiformes: Rivulidae) (p. 123)
Costa, Wilson J. E. M. : Systematics and distribution of the neotropical annual fish genus Trigonectes (Cyprinodontiformes, Rivulidae), with description of two new species (p. 135)
Kottelat, Maurice: The ricefishes (Oryziidae) of the Malili Lakes, Sulawesi, Indonesia, with description of a new species (p. 151)
Bianco, Pier Giorgio: Potential role of the palaeohistory of the Mediterranean and Paratethys basins on the early dispersal of Euro-Mediterranean freshwater fishes (p. 167)
Fitzsimons, J. Michael and Robert T. Nishimoto: Territories and site tenacity in males of the Hawaiian stream goby Lentipes concolor (Pisces: Gobiidae) (p. 185)
Book reviews (p. 190)

Volume 1 Number 3

July 1990
pages 193-288, 54 figs., 24 tabs.

Wildekamp, Rudolf H.: Redescription of two lesser known Nothobranchius from Central Tanzania, N. taeniopygus and N. neumanni (Cyprinodontiformes: Aplocheilidae) (p. 193)
Teugels, Guy G. and Dirk F. E. Thys van den Audenaerde: Description of a new species of Bryconaethiops (Teleostei: Characidae) from Nigeria and Cameroon (p. 207)
Kullander, Sven O.: Crenicichla hemera (Teleostei: Cichlidae), a new cichlid species from the Rio Aripuanã drainage, Mato Grosso, Brazil (p. 213)
Higuchi, Horácio, Heraldo A. Britski and Júlio César Garapullo: Kalyptodoras bahiensis, a new genus and species of thorny catfish from northeastern Brazil (Siluriformes : Doradidae) (p. 219)
Book reviews (p. 226)
Kottelat, Maurice: Sailfin silversides (Pisces: Telmatherinidae) of Lakes Towuti, Mahalona and Wawontoa (Sulawesi, Indonesia) with descriptions of two new genera and two new species (p. 227)
Kottelat, Maurice and Rohan Pethiyagoda: Danio pathirana, a new species of cyprinid fish endemic to southern Sri Lanka (p. 247)
Silfvergrip, Anders M. C.: Additional specimens of the venomous toadfish Daector gerringi (Teleostei: Batrachoididae), hitherto known only from the holotype (p. 253)
De Vos, Luc, Jos Snoeks and Dirk F. E. Thys van den Audenaerde: Description d’Haplochromis erythromaculatus, espèce nouvelle (Teleostei: Cichlidae) des lacs Bulera et Ruhondo, Rwanda (p. 257)
Miquelarena, Amalia Maria, Roberto C. Menni, Hugo L. Lopez and Jorge R. Casciotta: Ichthyological and limnological observations on the Sali river basin (Tucuman, Argentina) (p. 269)
Skelton, Paul H. and Peter N. White: Two new species of Synodontis (Pisces: Siluroidei: Mochokidae) from southern Africa (p. 277)

Volume 1 Number 4

March 1991
pages 289-384, 66 figs., 18 tabs.

Thomerson, Jamie E., Heinz O. Berkenkamp and Donald C. Taphorn: Rivulus lyricauda, a new species from the Guyana Shield in Eastern Venezuela (Cyprinodontiformes: Rivulidae) (p. 289)
Chernoff, Barry, Antonio Machado-Allison and William G. Saul: Morphology, variation and biogeography of Leporinus brunneus (Pisces: Characiformes: Anostomidae) (p. 295)
Parenti, Lynne R. and Gerald R. Allen: Fishes of the Gogol River and other coastal habitats, Madang Province, Papua New Guinea (p. 307)
Kottelat, Maurice: Sailfin silversides (Pisces: Telmatherinidae) of Lake Matano, Sulawesi, Indonesia, with descriptions of six new species (p. 321)
Isbrücker, Isaäc J. H. and Han Nilsen: Hypancistrus zebra, a new genus and species of uniquely pigmented ancistrine loricariid fish from the Rio Xingu, Brazil (Pisces: Siluriformes: Loricariidae) (p. 345)
Kullander, Sven O.: Crenicichla phaiospilus and C. percna, two new species of pike cichlids (Teleostei: Cichlidae) from the Rio Xingu, Brazil (p. 351)
Uwa, Hiroshi: Cytosystematic study of the Hainan medaka, Oryzias curvinotus, from Hong Kong (Teleostei: Oryziidae) (p. 361)
Book reviews (p. 368)
Costa, Wilson J. E. M.: Systematics and distribution of the neotropical annual fish genus Plesiolebias (Cyprinodontiformes: Rivulidae), with description of a new species (p. 369)
Costa, Wilson J. E. M. and Gilberto C. Brasil: Description of a new species of Rivulus (Cyprinodontiformes: Rivulidae) from the coastal plains of Eastern Brazil (p. 379)