Ceteceans

Cetacea (/sɪˈtʃə/) is a widely distributed and diverse clade of aquatic mammals that today consists of whales, dolphins, and porpoises. Cetaceans are carnivorous and finned. Most species live in the sea, some in rivers. The name is derived from the Latin cetus “whale”, itself from the Greek κῆτος kētos “huge fish”.

There are around 89 extant species, which are divided into two groups or parvorders, the Odontoceti or toothed whales, a group of more than 70 species that includes the dolphins, porpoises, belugas, narwhals, sperm and beaked whales, and the Mysticeti or baleen whales, of which there are now 15 species. The extinct ancestors of modern whales are the Archaeoceti.

Gray whale fluke - Nature Stock Photo Agency
Elusive Dall’s porpoise - Nature Stock Photo Agency
Fin whale in front of the Azorean coast - Nature Stock Photo Agency
Blue whale fluke right before the dive - Nature Stock Photo Agency
Blue whale fluke with a bunch of stool - Nature Stock Photo Agency
Blue whale in front of Pico island, Azores - Nature Stock Photo Agency
Blue whale dorsal fin - Nature Stock Photo Agency
Big killer whale male in Shetland - Nature Stock Photo Agency
Fin whale in front of the coast - Nature Stock Photo Agency
Blue whale on the surface with its breathing holes - Nature Stock Photo Agency
Blue whale side while diving - Nature Stock Photo Agency
Beautiful fluke of a blue whale - Nature Stock Photo Agency
Finwhale diving near shore - Nature Stock Photo Agency
False killer whales passing by - Nature Stock Photo Agency
2 common dolphins passing by - Nature Stock Photo Agency
Blue whale diving with dorsal fin - Nature Stock Photo Agency
Spermwhale spine during a dive - Nature Stock Photo Agency
False killer whale group near Pico - Nature Stock Photo Agency
Blue whale fluking - Nature Stock Photo Agency
Blue whale in front of mount Pico - Nature Stock Photo Agency
Striped dolphin jumping out of the waves - Nature Stock Photo Agency
False killer whales near the shore - Nature Stock Photo Agency
Spermwhale blowing in the midnight sun - Nature Stock Photo Agency
Blue whale diving in front of Lajes village - Nature Stock Photo Agency
Blue whale passing by - Nature Stock Photo Agency
Striped dolphin mother and calf jumping out of the water - Nature Stock Photo Agency
Sei whale passing by the shore of Lajos, Azores - Nature Stock Photo Agency
Spermwhale fluke view - Nature Stock Photo Agency
Spermwhale fluke with ship in the background - Nature Stock Photo Agency
Bottlenose dolphin jumping in the waves - Nature Stock Photo Agency
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