Fauna (also animal world ) refers to the totality of all naturally occurring animals in an area or, in the narrower sense, all animal species in this area. Exploring the fauna is the task of faunistics , the associated science is the biogeography . If the entire planet earth is considered, the fauna includes all animal species, for example in paleontology , where one speaks of a "fauna of the Cretaceous period ".
According to habitats
- Marine life - in the habitat sea
- Epifauna (also called epibenthos ) - animals on surfaces of loose sediments or on other organisms (corals, plants)
- Infauna (also endofauna ) - animals that live digging in loose sediments or drilling in hard substrates
- Kryofauna , Eisfauna - specialized species in cavities of sea ice, especially on the underside
- Cryptofauna - "hidden" animals, e.g. B. in cavities or crevices on the sea floor
- Wadden Sea fauna - in the Wadden Sea habitat
- Forest fauna - in the forest habitat
- Desert fauna - in the desert habitat
According to systematic large groups
- Avifauna - birds
- Entomofauna - insects
- Herpetofauna - reptiles and amphibians
- Ichthyofauna - fish
- Malacofauna - mollusks
According to body size
- Microfauna - microorganisms and very small animals
- Meiofauna - animals that rank between micro and macro fauna
- Macrofauna - animals that can be seen with the naked eye (0.2 to 20 millimeters)
- Megafauna - large animals
This classification is mainly made for animal species that live in the ground or on land.
- Matthias Schaefer (Ed.): Brohmer - Fauna of Germany. A determination book of our domestic animal world , 20th edition, Quelle & Meyer Verlag, Wiebelsheim 2000, ISBN 3-494-01295-4 ; 23rd, revised edition, 2010, ISBN 978-3-494-01472-2 .