Delphinidae
- Cephalorhynchus
- Delphinus
- Feresa
- Globicephala
- Grampus
- Lagenodelphis
- Lagenorhynchus
- Lissodelphis
- Orcaella
- Orcinus
- Peponocephala
- Pseudorca
- Common dolphin Delphinus delphis
A dolphin with contrasting patches along its sides that form an hourglass-like pattern.
- Killer whale Orcinus orca
A member of the dolphin family with a black back, white belly and white patches near the eyes.
- Common bottlenose dolphin Tursiops truncatus
A gray dolphin with a short, thick beak, found widely in tropical and temperate seas.
- Long-finned pilot whale Globicephala melas
A small whale with long flippers, found in temperate and colder seas.
- Risso’s dolphin Grampus griseus
A dolphin of warm and temperate seas worldwide that feeds mainly on squid.
- Spinner dolphin Stenella longirostris
A long-beaked dolphin known for spinning as it leaps out of the water.
- Chinese White Dolphin Sousa chinensis
This dolphin lives along coasts of the Indian and western Pacific oceans and also uses estuaries. Hong Kong has carried out long-term monitoring of the Pearl River Estuary population.
- False killer whale Pseudorca crassidens
A dark, slender small whale that hunts fish and squid in warm seas.
- White-beaked Dolphin Lagenorhynchus albirostris
This dolphin lives in the cold North Atlantic and has a short, thick beak with white lips.
- Striped dolphin Stenella coeruleoalba
An offshore dolphin with striking stripes running from the eyes along the sides of its body.
- Melon-headed whale Peponocephala electra
A dark, round-headed small whale that forms large groups in tropical seas.
- Fraser's Dolphin Lagenodelphis hosei
A stocky, short-beaked dolphin that lives in deep offshore waters.