Pygmy Blue Whale

Balaenoptera musculus brevicauda

(Max. Length - 23m)

AT A GLANCE:

• Worldwide (though patchy) distribution
• Extra-large size
• Streamlined body shape
• Mottled, bluish-grey colour
• Turquoise underwater (when viewed from surface)
• Small to large dorsal fin three-quarters of the way along back
• Prominent blowhole ‘splash guard’
• Extremely deep tailstock
• Often raises flukes on diving

Sperm Whale

Physeter macrocephalus

Max. Length - 17m

AT A GLANCE:

• Deep, ice-free oceanic waters worldwide
• Large to extra-large size
• Primarily dark grey
• Huge squarish head
• Thick, low, rounded dorsal fin
• ‘Knuckles’ from dorsal fin to flukes
• Wrinkly, prune-like skin
• Bushy blow directed forwards and to left
• Often motionless (or swims leisurely) at surface
• Flukes usually raised on diving

Fin Whale

Bryde's Whale

Killer Whale

Risso's Dolphin

Short-finned Pilot Whale

False Killer Whales

Melon-headed Whale

Pantropical Spotted Dolphin

Spinner Dolphin

Fraser's Dolphins

Indo-Pacific Bottlenose Dolphin

Rough-toothed Dolphin

Cuvier's Beaked Whale