Age determination of corvina reina (Cynoscion albus) in the Gulf of Nicoya, Costa Rica, based on examination and analysis of hyaline zones, morphology and microstructure of otoliths,Parasites of flatfish in relation to sewage sludge dumping,Comparative ecology of the African pike, Hepsetus odoe, and tigerfish, Hydrocynus forskahlii, in the Zambezi River floodplain,Avoidance responses to low frequency sound in downstream migrating Atlantic salmon smolt, Salmo salar,Changes in ovarian development and plasma levels of sex steroid hormones in the wild female Japanese sardine (Sardinops melanostictus) during the spawning period,The use of a perfused, whole‐body preparation to measure the branchial and intestinal influx of 137‐caesium in the rainbow trout (Oncorhynchus mykiss),Experimental differences in mortality patterns between European minnows, Phoxinus phoxinus, infected with sympatric or allopatric trematodes, Diplostomum phoxini,Effects of experimental anaemia on intra‐erythrocytic phosphate levels in rainbow trout, Oncorhynchus mykiss,Nest site choice by the three‐spined stickleback, Gasterosteus aculeatus (form leiurus), in spring‐fed waters,Genic diversity in Red River pupfish Cyprinodon rubrofluviatilis (Atheriniformes: Cyprinodontidae) and its implications for the conservation genetics of the species,Pattern formation of the ‘Tilapia mark’ in the tilapia fish, Oreochromis mossambicus,Epinephrine, norepinephrine, and cortisol concentrations in cannulated seawater‐acclimated rainbow trout (Oncorhynchus mykiss) following black‐box confinement and epinephrine injection,Energetics and metabolic correlates of starvation in juvenile perch (Perca fluviatilis),Effects of salinity fluctuation on routine metabolism of juvenile spot, Leiostomus xanthums,Does specific dynamic action (SDA) regulate return of appetite in the lesser spotted dogfish, Scyliorhinus caniculcla?,Activity and swimming speed at time of first feeding of halibut (Hippoglossus hippoglossus) larvae,The distribution of Cryptocotyle spp. metacercariae in the skin of caged Atlantic cod (Gadus morhua),Differential response to water current in offspring of inlet‐and outlet‐spawning brown trout Salmo trutta,Further data on the reproduction and larval development of Knipowitschia caucasica (Gobiidae),