The Delphinoidea Family

The Dolphins

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The Dolphin is the largest and most diverse family of cetaceans. It contains 26 recognised species and 6 toothed whales. Most forms of this family have functional teeth in both jaws, a melon with a distinct beak, smooth sloping foreheads, a single notch in the middle of their flukes and a dorsal fin. Of the 26 species of dolphin 13 tend to have long, well-defined beaks and streamlined slightly robust bodies. The remainder vary greatly in colour and patterns, the shape of their bodies, beaks and flippers, and dorsal fins. They do have similar short indistinct beaks and fairly robust bodies.

The Dolphins

General info from Tursi's Dolphin Database General Information from Tursi's Dolphin Database

Dolphin Sighting info Sighting Information

Dolphin Distribution Migration & Distribution

Dolphin Research Current Research
Links 2 Go

Dolphin faq Dolphin FAQ (external site)



Tucuxi
Sotalia fluviatilis
group1

Short-snouted Spinner Dolphin
Stenella clymene

Long-snouted Spinner Dolphin
Stenella longirostris


Atlantic Hump-backed Dolphin
Sousa teuszii

Pantropical Spotted Dolphin
Stenella attenuata


Atlantic Spotted Dolphin
Stenella frontalis


Southern Rightwhale Dolphin
Lissodelphis peronii



Common Dolphin
Delphinus delphis
group2
Striped Dolphin
Stenella coeruleoalba

Rough-toothed Dolphin
Steno bredanensis
Indo-Pacific Hump-backed Dolphin
Sousa chinensis
Northern Rightwhale Dolphin
Lissodelphis borealis

Bottlenose Dolphin
Tursiops truncatus



Commerson's Dolphin
Cephalorhynchus commersonii
group3
Hector's Dolphin
Cephalorhynchus hoctori


Heaviside's Dolphin
Cephalorhynchus heavisidii
Black Dolphin
Cephalorhynchus eutropia




Hourglass Dolphin
Lagenorhynchus cruciger
group4


Dusky Dolphin
Lagenorhynchus obscurus


Peale's Dolphin
Lagenorhynchus australis
Pacific White-sided Dolphin
Lagenorhynchus obliquidens
Atlantic White-sided Dolphin
Lagenorhynchus acutus
group5
Fraser's Dolphin
Lagenodelphis hosei

Irrawaddy Dolphin
Orcaella brevirostris


White-beaked Dolphin
Lagenorhynchus albirostris


Risso's Dolphin
Grampus griseus
group6

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