The ultrastructure of the intestinal epithelium in fishes with different types of feeding,Impact of γ‐hexachlorocyclohexane exposure on plasma gonadotropin levels and in vitro stimulation of gonadal steroid production by carp hypophyseal homogenate in Carassius auratus,Population structure, reproduction and sex‐change in a tropical East Atlantic grouper,A comparison of genetic diversity levels in marine, freshwater, and anadromous fishes,Morphometry of some structural parameters affecting oxgyen diffusion in body trunk red muscle at different sizes of a tilapia, Oreochromis niloticus,Development of serotonergic neurons in the brain of the mackerel, Scomber scombrus. An immunohistochemical study,Histological changes in starved turbot larvae (Scophthalmus maximus) quantified by digital image analysis,Social control of male sexual maturation in the swordtail characin, Corynopoma riisei,The role of experience and chemical alarm signalling in predator recognition by fathead minnows, Pimephales promelas,Homologous growth hormone (GH) binding in gilthead sea bream (Sparus aurata). Effect of fasting and refeeding on hepatic GH‐binding and plasma somatomedin‐like immunoreactivity,A study of the mechanism of algal uptake in yolk‐sac larvae of Atlantic halibut (Hippoglossus hippoglossus),Temperature‐induced changes of early development and yolk utilization in the African catfish Clarias gariepinus,The dorsal groove and associated structures on the head of the sucking loach, Gyrinocheilus aymonieri (Cypriniformes),Effect of ration size on growth and gross conversion efficiency of young lemon sharks, Negaprion brevirostris,Reproductive investment of female brown trout, Salmo trutta L., in a stream and reservoir system in northern England,Fish species found in the rocky sublittoral during winter months as revealed by the underwater application of the anaesthetic quinaldine,The karyotype of the dab (Limanda limanda L.)