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porpoises

Porpoises
Image: iStockphoto/LenaYa

Porpoises

Porpoises belong to the group Odontoceti, the toothed whales. Smaller and shyer than their dolphin cousins, porpoises tend to swim in coastal waters rather than the open sea.

Like other Odontoceti, porpoises hunt for their meals of fish, squid, and crustaceans using echolocation — reflected sound — to find their prey.

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The Difference Between Dolphins & Porpoises

The Difference Between Dolphins & Porpoises

Dolphins and porpoises are closely related members of the Odontoceti, or the toothed whales. But you can easily tell them apart by zeroing in on key anatomical differences. More...

Video
eHow
Dolphins and Porpoises: Vaquita

Dolphins and Porpoises: Vaquita

Nearly as elusive as the Loch Ness Monster, the vaquita — the world’s smallest porpoise (and whale) — infrequently appears in the Gulf of California. It's listed as critically endangered. More...

Article
World Wildlife Fund
Harbor Porpoise Movement

Harbor Porpoise Movement

Challenge yourself with this hands-on activity that links you up with satellite tracking data of tagged harbor porpoises. Follow their movements to determine the factors at play in their routes. More...

Activity
Science Buddies
Harbor Porpoises

Harbor Porpoises

As their name suggests, harbor porpoises tend to swim in shallow coastal waters such as inlets and bays. They often fall victim to commercial fishing nets. More...

Article
National Geographic
Harbour Porpoise

Harbour Porpoise

The harbor porpoise (also spelled with a “u’ in the British way) is a frequent visitor to coastal waters in northern Europe. This small porpoise often travels in groups of two to five. More...

Article
ARKive
Indo-Pacific Finless Porpoise

Indo-Pacific Finless Porpoise

True to its name, the Indo-Pacific finless porpoise lacks a dorsal fin. Instead, it has a ridge down the middle of its back. Find out more about this shy and elusive species. More...

Video
ARKive
Porpoise Pictures

Porpoise Pictures

Scroll through this gallery to check out images of different porpoise species. Notice their rounded snouts, which differ from the beaked snouts of dolphins — a major distinction. More...

Images
SeaPics.com
So, You’d Like to Be A Marine Biologist

So, You’d Like to Be A Marine Biologist

Marine biologists study porpoises and other marine mammals. Gregg Szulgit tells you what you need to know if you’re considering this career. More...

Profile
Scripps Institution of Oceanography
Spotlight On Porpoises

Spotlight On Porpoises

Meet Jack and Daisy, the only harbor porpoises in an aquarium in North America. They’re both rescues, each stranded on a beach and in bad shape before rehab by the Vancouver Aquarium. More...

Article
Vancouver Aquarium

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