HARBOR PORPOISE
(Phocoena phocoena)
BODY MASS: 55 kg DEEPEST DIVE: 226 m (REF 3)
BODY SIZE: 155 cm LONGEST DIVE: 321 s (REF 4)


FUNKA BAY (41°57'N - 140°58'E) TOP
1994: Dive depth: grand-avg= 15.6 ± 4.9 m, max= 98.6 m (N= 2 females)
1994: Dive duration: grand-avg= 81 ± 21.2 s, max= 282 s (N= 2 females)
1994: (KS-200DT, Little Leonardo, 19x75mm, 30g, Acc. 0.5 m, sampling= 10s)
REF 1
1997: Dive depth: avg= 3.8 ± 6.8 m, max= 64.7 m (N= 1 female)
1997: Dive duration: avg= 26.2 ± 31 s, max= 193 s (N= 1 female)
1997: (UWE-200DT, Little Leonardo, 20x90mm, 42g, Acc. 0.5 m, sampling= 1s + 195g float)
REF 2
1997: Dive duration: gd-avg= 25.85 ± 3.89 s (N= 2 captive females)
1997: (UWE-200PDT, Little Leonardo, 20x90mm, 42g, sampling= 1s)
REF 3
FUNDY BAY (44°50'N - 66°50'E) TOP
1992-93: Dive depth: grand-avg= 24.3 ± 9.4 m, max= 226 m (N= 7 dolphins)
1992-93: Dive duration: grand-avg= 65 ± 20.7 s, max= 321 s (N= 7 dolphins)
1992-93: (Mk5, Wildlife Computers, 100x60x15mm, 118g, Res. ± 1m, sampling= 1,2 or 3s)
REF 4
1973-75: Travelling dive duration: avg= 24.4 ± 1.6 s (N=18 dolphins)
1973-75: Feeding dive duration: avg= 1.44 ± 0.07 min
1973-75: Feeding dive duration: max= 247 s (N=18 dolphins)
1973-75: (Observation from a kayak)
REF 5

REFERENCES
REF 1 Otani S, Naito Y, Kawamura A, Kawasaki M, Nishiwaki S, Kato A (1998) Diving behavior and performance of Harbor porpoises, Phocoena phocoena, in Funka bay, Hokkaido, Japan. Marine Mammal Science 14: 209-220
REF 2 Otani S, Naito Y, Kato A, Kawamura A (2000) Diving behavior and swimming speed of a free-ranging Harbor porpoise, Phocoena phocoena. Marine Mammal Science 16: 811-814
REF 3 Otani S, Naito Y, Kato A, Kawamura A (2001) Oxygen consumption and swim speed of the harbor porpoise Phocoena phocoena. Fisheries Science 67: 894-898
REF 4 Westgate AJ, Read AJ, Berggren P, Koopman HN, Gaskin DE (1995) Diving behaviour of harbour porpoises, Phocoena phocoena. Canadian Journal of Fisheries and Aquatic Science 552: 1064-1073
REF 5 Watson A, Gaskin D (1983) Observations on the ventilation cycle of the harbour porpoise Phocoena phocoena (L.) in coastal waters of the Bay of Fundy. Canadian Journal of Zoology 61: 126-132

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