Fishes Aquaculture 18 Fisheries 12 Aquaculture (Animals) 9 Fish culture 8 Freshwater fishes 8 Ichthyology 8 Shellfish 8 Dissertations, Academic (Ph.D) 7 Thesis (Ph.D)-Zoology 7 Fishery management 6 Water 5 Zoology 5 Animal Genetics and Breeding, (New March 2000) 4 Aquatic Biology and Ecology 4 Marine fishes 4 Migration 4 Parasites 4 Pisces 4 Vertebrates 4 Animal Immunology, (New March 2000) 3 Animal nutrition 3 Animal welfare 3 Aquatic animals 3 Aquatic organisms 3 Cattle 3 Crustacea 3 Diseases 3 Domestic animals 3 Ecology 3