Harbour Porpoise and Similar Species
Phocoena phocoena
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Open the appSeveral fish can be confused with Harbour Porpoise. Here are the key differences.
Species often confused with {name}
Dall's Porpoise
Phocoenoides dalli
Key differences: Dall's Porpoise is generally larger, has a more robust body, and a distinctive black and white coloration (often with a white 'saddle' patch on the flanks and white tips on the dorsal fin and flukes). Its dorsal fin is also more triangular but often has a more pointed tip. Known for its fast, 'rooster tail' spray when surfacing.
Common Dolphin
Delphinus delphis
Key differences: Common Dolphins are typically larger, have a distinct, elongated beak, and a more falcate (curved) dorsal fin. Their coloration is also more complex, with a distinctive hourglass pattern on their flanks. They are much more active at the surface, often leaping and bow-riding.
Bottlenose Dolphin
Tursiops truncatus
Key differences: Bottlenose Dolphins are significantly larger and more robust than Harbour Porpoises, possess a prominent, short to medium-length beak, and a tall, falcate dorsal fin. Their coloration is typically uniform grey. They are also more acrobatic and social.
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