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Marine mammals comprise over 130 living and recently extinct species in three taxonomic orders. The Society for Marine Mammalogy, an international scientific society, maintains a list of valid species and subspecies, most recently updated in October 2015. [1] This list follows the Society's taxonomy regarding and subspecies.
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Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups. Ambiguous common names are accompanied by their possible meanings. Scientific names for individual species and higher taxa are included in parentheses.
List of cartilaginous fish; List of cichlid fish of Africa; List of cichlid fish of South America; List of commercially important fish species; List of Corydoras species; List of critically endangered fishes
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
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Marine mammals have evolved a wide variety of features for feeding, which are mainly seen in their dentition. For example, the cheek teeth of pinnipeds and odontocetes are specifically adapted to capture fish and squid. In contrast, baleen whales have evolved baleen plates to filter feed plankton and small fish from the water. [32]
This list covers only mammals that live in freshwater. For a list of saltwater mammals, see Marine mammal. Order Sirenia: sirenians Family Trichechidae: manatees Amazonian manatee (Trichechus inunguis) African manatee (Trichechus senegalensis) Order Cetartiodactyla: even-toed ungulates Suborder Whippomorpha. Family Platanistidae