Fishes Breeding 23 Juvenile literature 18 Marine fishes 11 Freshwater fishes 9 Fisheries 8 Fish culture 7 Dissertations 6 Dissertations, Academic 6 Identification 6 Fishing 5 Catch effort 4 Diseases 4 Fish hatcheries 4 Geographical distribution 4 Surveys 4 Trawls and trawling 4 Feeding and feeds 3 Growth 3 Ikan 3 Sharks 3 Tilapia 3 Animals 2 Aquaculture 2 Birds 2 Congresses 2 Conservation 2 Culture 2 Ecology 2 Encyclopedias 2