Species: Kogia sima
2.1 to 2.7 m, weighing 135 to 270 kg
The Dwarf Sperm Whale is found in temperate and tropical waters and is often seen out at sea from the edge of the continental shelf. It can apparently dive to depths of 900 m.
It reaches sexual maturity at around 3 to 5 years and gives birth after 9 to 12 months of gestation.
A teuthophagous carnivore, i.e., feeding mainly on cephalopods.
Morphological characteristics for identification at sea
- Head: small, short and square muzzle, small lower mandibles, blowhole shifted to the left, a clear mark called "false gill" can be present between the eye and pectoral fin, small grooves on throat
- Fins: dorsal fin centred, short flippers with pointed tips, very pointed tail flukes
- Spout: imperceptible
- Colouring: sides grey-brown or grey to bluish black, belly light grey or pinkish white
Did you know?
The Dwarf Sperm Whale often floats at the surface and sinks before diving.