Atlantic White-sided Dolphin
- 2.4-2.8 metres in length.
- 180-230 kilograms in weight.
- Found in the North Atlantic Ocean.
- Robust and sleek body shape.
- Black back, grey stripes along flanks, white underside, white patch below fin, and tan or yellowish patch on tail.
- Short, thick beak.
- Tall and curved dorsal fin.
Common Dolphin
- 1.7-2.4 metres in length.
- Seven to 110 kilograms in weight.
- Found in tropical to warm-temperate waters.
- Slender and streamlined body.
- Long pointed beak and black eye mask.
- Large dorsal fin.
- Hourglass pattern on sides, tan or yellow patch forward of dorsal fin, and grey towards rear.
- Black back with V-shaped saddle below dorsal fin.
Killer Whale
- Up to 10 metres in length.
- Up to 11 tons in weight.
- Found in all oceans from tropical (in lower densities) to polar oceans.
- Mainly black bodied with white bellies and oval white patch behind each eye, and grey saddle patch behind the dorsal fin.
- Tall pointed dorsal fin at midpoint. In males it is tall and straight, while females and juveniles have a curved fin.
- The shape of the dorsal fin and saddle patch, as well as any scars, allow researchers to differentiate between individual killer whales.
Pacific White-sided Dolphin
- Up to 2.5 metres in length.
- Up to 180 kilograms in weight.
- Found in the North Pacific Ocean.
- Black back, light grey flanks, white belly and two grey stripes along the length of the body.
- Sleek, tapered body.
- Short beak with black lips.
- Black and grey dorsal fin that is tall and curved.
Pilot Whale
- Four to 6.5 metres in length.
- 1.8-3.5 tons in weight.
- Found in tropical waters to sub-tropical waters of the world, and temperate waters.
- Robust body with bulbous head and no beak.
- Wide-rounded dorsal fin.
- Black body with anchor-shaped white patch on throat and lighter markings on belly.
Risso’s Dolphin
- Up to four metres in length.
- Up to 500 kilograms in weight.
- Found from the tropics to sub-polar regions.
- Body is grey/brown to white in colour and are usually heavily scarred.
- Blunt, rounded head with no beak.
- Tall dorsal fin that is slightly curved.
Striped Dolphin
- 1.8-2.5 metres in length.
- 90-150 kilograms in weight.
- Found in tropical to warm-temperate waters.
- Long prominent beak.
- Tall pointed tip dorsal fin.
- Grey body with light grey patch from above eye to dorsal fin, two stripes from eyes to flipper and eye to anus along body sides, and white underside.
White-Beaked Dolphin
- 2.5 to three metres in length.
- 180-275 kilograms.
- Found in the North Atlantic Ocean.
- White, grey and black body with white stripe on sides.
- Short, thick beak.
- Tall dorsal fin with broad base.