Mammals of the World
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East Asian Finless Porpoise

Neophocaena sunameri

Order
Artiodactyla
Family
Phocoenidae
Genus
Neophocaena
IUCN status
NE
Distribution
Japan|North Korea?|South Korea|China|Taiwan
Realm
Marine

Other names: West Pacific Finless Porpoise|Finless Porpoise

About this species

Size
Usually under 2m
Diet
Fish, squid and crustaceans
Habitat
Shallow coastal waters and estuaries

The East Asian finless porpoise is a small coastal cetacean with a rounded forehead, no beak and no dorsal fin. Instead, a low ridge carrying rows of small tubercles runs along the back. The body is compact and generally grey, becoming paler below. Adults are usually under 2m long; their smooth, finless outline is unmistakable at close range (Wikipedia, general species account).

Across its range, this porpoise uses shallow coastal water, estuaries and the lower reaches of large rivers. It feeds on fish, squid and crustaceans and usually travels alone, in pairs or in small groups. Surfacing is quiet and rolling, so animals can be difficult to detect in rough water. Mothers normally rear a single calf (Wikipedia, general species account). annually.

Description: Wildlife of Japan guide, Wildlife of Everywhere (wildlifeofeverywhere.com); general species information paraphrased from Wikipedia (CC BY-SA)

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CC-BY-SA-4.0 — 냥이 — via iNaturalist (source)