ology

Anthrozoology- the study of human- animal interaction
Apiology- the study of honey bees
Arachnology- the study of spiders
Arthropodology - he study of arthropods, a phylum of animals that include the insects, arachnids, crustaceans and others that are characterized by the possession of jointed limbs.
Cetology- the study of approximately eighty species of whales, dolphins, and porpoise in the scientific order Cetacea
Conchology- the study of mollusk shells.
Entomology - the study of insects
Ethology- the study of animal behavior
Helminthology- the study of worms, especially parasitic worms
Herpetology - the study of amphibians
Ichthyology- the study of fish
Malacology - the study of mollusca
Mammalogy  - the study of mammals
Myrmecology- the study of ants
Nematology - the study of nematodes, or roundworms
Neuroethology - the study of animal behavior and its underlying mechanistic control by the nervous system.
Ornithology- the study of birds
Paleozoology- is the branch of paleontology or paleobiology dealing with the recovery and identification of multicellular animal remains from geological (or even archeological) contexts, and the use of these fossils in the reconstruction of prehistoricenvironments and ancient ecosystems.
Planktology - the study of plankton
Primatology- the study of primates
Zoosemiotics- the study of animal communication