Schembri P.J., Bodilis P., Evans J., Francour P. Occurrence of barred knifejaw, Oplegnathus fasciatus (: Perciformes: Oplegnathidae), in Malta (Central Mediterranean) with a discussion on possible modes of entry ...... 101 Jawad L., Al-Mamary J., Al-Kharusi L. The slender sunfish, Ranzania laevis (Actinopterygii: Tetraodontiformes: Molidae), in the coastal waters of the Oman Sea ...... 105 Salameh P., Sonin O., Golani D. First record of the burrowing goby, Trypauchen vagina (Actinopterygii: Gobiidae: Amblyopinae), in the Mediterranean ...... 109 Bottari T., Dimech M., Nardone G., Rinelli P., Ragonese S. Distribution and biological features of the African armoured searobin, Peristedion cataphractum (Actinopterygii: Scorpaeniformes: Peristediidae), off the southern coasts of Sicily (Mediterranean Sea) ...... 113 Ghosh K., Roy M., Kar N., Ringø E. Gastrointestinal bacteria in rohu, Labeo rohita (Actinopterygii: Cypriniformes: Cyprinidae): scanning electron microscopy and bacteriological study ...... 129 Turkowski K., Lirski A. The economics of carp farms in Poland ...... 137 Dziaman R., Sitarek M., Kłyszejko B. The effect of sublethal concentration of Decis 2.5 EC pesticide on learning and memory processes in common carp, Cyprinus carpio (Actinopterygii: Cypriniformes: Cyprinidae) ...... 145 İlhan A., Sarı H.M., Balık S. Growth features of an endemic population of Chondrostoma holmwoodii (Actinopterygii: Cypriniformes: Cyprinidae) in western Anatolia ...... 155 Ahmed A.I., Sharaf M.M., Laban H.A. Reproduction of the Egyptian sole, aegyptiaca (Actinopterygii: Pleuronectiformes: ), from Port Said, Egypt, Mediterranean Sea ...... 161 Cabiddu S., Follesa M.C., Porcu C., Cau A. Gonad development and reproduction in the monoecious Chlorophthalmus agassizi (Actinopterygii: Aulopiformes: Chlorophthalmidae) from the Sardinian waters (central-western Mediterranean) ... 167 Pastor J., Francour P. Occurrence and distribution range of Parablennius pilicornis (Actinopterygii: Perciformes: Blenniidae) along the French Mediterranean coast...... 179 Korzelecka-Orkisz A., Smaruj I., Pawlos D., Robakowski P., Tański A., Szulc J., Formicki K. Embryogenesis of the stinging catfish, Heteropneustes fossilis 2010 (Actinopterygii: Siluriformes: Heteropneustidae) ...... 187

EDITORIAL POLICY AND GENERAL INFORMATION ...... 198 40 (2)