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    Spinner or Bottlenose ~ How do you tell?

    Apr. 21, 2009 (7645 views)

    We are often asked about porpoise and dolphins when we are out on the water during one of our marine safaris.  First, we do not have porpoise in Hawaiian waters.  Porpoise have very blunt rostrums, short, triangular dorsal fins and their teeth are spade shaped.  In the above photos, the triangular-shaped, dark dorsal fin is a spinner dolphin, whose rostrum...

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