Table 1 Average body weight and skull morphology classification for each marine mammal species. n: number of populations considered for each species.

From: The isotopic niche of Atlantic, biting marine mammals and its relationship to skull morphology and body size

Common name

Scientific name

Body weight (kg)

Skull morphology

n

Cetaceans

Commerson’s dolphin

Cephalorhynchus commersonii

50

Brevirostrine

1

False killer whale

Pseudorca crassidens

1600

Brevirostrine

4

Fraser's dolphin

Lagenodelphis hosei

185

Brevirostrine

3

Southern right whale dolphin

Lissodelphis peronii

60

Brevirostrine

1

Spectacled porpoise

Phocoena dioptrica

140

Brevirostrine

1

Harbor porpoise

Phocoena phocoena

60

Brevirostrine

5

Burmeister’s porpoise

Phocoena spinipinnis

80

Brevirostrine

2

Atlantic white-sided dolphin

Lagenorhynchus acutus

170

Intermediate

2

White-beaked dolphin

Lagenorhynchus albirostris

275

Intermediate

3

Peale’s dolphin

Lagenorhynchus australis

115

Intermediate

1

Hourglass dolphin

Lagenorhynchus cruciger

100

Intermediate

1

Guiana dolphin

Sotalia guianensis

40

Intermediate

2

Bottlenose dolphin

Tursiops truncatus

175

Intermediate

5

Common dolphin

Delphinus delphis

95

Longirostrine

7

Franciscana dolphin

Pontoporia blainvillei

40

Longirostrine

1

Pantropical spotted dolphin

Stenella attenuata

120

Longirostrine

2

Striped dolphin

Stenella coeruleoalba

80

Longirostrine

3

Atlantic spotted dolphin

Stenella frontalis

105

Longirostrine

2

Spinner dolphin

Stenella longirostris

75

Longirostrine

1

Atlantic humpback dolphin

Sousa teuszii

100

Longirostrine

1

Rough-toothed dolphin

Steno bredanensis

120

Longirostrine

2

Pinnipeds

South American fur seal

Arctocephalus australis

110

 

2

South American sea lion

Otaria byronia

225

 

2

Gray seal

Halichoerus grypus

170

 

2

Mediterranean monk seals

Monachus monachus

270

 

1

Harbor seal

Phoca vitulina

97

 

1

Back to article page