Ostaszewska T., Szatkowska I., Verri T., Dabrowski K., Romano A., Barca A., Muszyńska M., Dybus A., Grochowski P., Kamaszewski M. Cloning two PepT1 cDNA fragments of common carp, Cyprinus carpio (Actinopterygii: Cypriniformes: Cyprinidae) .............................................................................................................................................................................. 81 Mukherjee S., Kaviraj A. Evaluation of growth and bioaccumulation of cobalt in different tissues of common carp, Cyprinus carpio (Actinopterygii: Cypriniformes: Cyprinidae), fed cobalt-supplemented diets ...................................... 87 Adewolu M.A., Benfey T.J. Growth, nutrient utilization and body composition of juvenile bagrid catfish, Chrysichthys nigrodigitatus (Actinopterygii: Siluriformes: Claroteidae), fed different dietary crude protein levels ............................................................. 95 Omoregie E., Ajima M.N.O., Keke R.I., Więski K. Effect of single superphosphate fertilizer on survival and respiratory dynamics of Nile tilapia, Oreochromis niloticus (Actinopterygii: Perciformes: Cichlidae) ..................................................................................................................... 103 Engin S., Seyhan K. Biological characteristics of rock goby, Gobius paganellus (Actinopterygii: Perciformes: Gobiidae), in the south-eastern Black Sea .................................................................................................................................................................................................................. 111 Kempter J., Sadowski J., Schütze H., Fischer U., Dauber M., Fichtner D., Panicz R., Bergmann S.M. Koi herpes virus: do acipenserid restitution programs pose a threat to carp farms in the disease-free zones? .... 119 Laptikhovsky V., Brickle P. Aspects of embryonic development in two southwest Atlantic gadiform fish: tadpole codling, Salilota australis (Moridae), and southern blue whiting, Micromesistius australis (Gadidae) ..................................... 127 Więcaszek B., Keszka S., Sobecka E., Boeger W.A. Asian pangasiids—an emerging problem for European inland waters? Systematic and parasitological aspects .... 131 Tuncer S., Orlov A., Ozen O., Bilgin S. New record of elongate lanternfish, Notoscopelus elongatus (Costa, 1844), from the coastal waters of Aegean Sea, Turkey, with notes on species’ morphology and distribution .................................................................................. 139 Formicki K., Smaruj I., Szulc J., Winnicki A. Microtubular network of the gelatinous egg envelope within the egg ribbon of European perch, Perca fluviatilis L.................................................................................................................................................................................................................................................... 147 Yokes M.B., Bilecenoglu M., Goren M., Galil B.S., Diamant A. Genetic evidence for wide distribution of the alien prawn-goby, Vanderhorstia mertensi (Actinopterygii: Perciformes: Gobiidae), along the northeast Mediterranean.................................................................................... 153 EDITORIAL POLICY AND GENERAL INFORMATION ................................................................................................................................. 157 2009 39 (2).